diff --git a/dist/main.js b/dist/main.js
index c13ca94..0c7f902 100644
--- a/dist/main.js
+++ b/dist/main.js
@@ -1 +1 @@
-javascript:(function(){var COLORS=["lime","rebeccapurple","orange","blue"],ZERO_KEYCODE=48,I_KEY="i",P_KEY="p",STYLE_TAG_ID="bfh",INSPECTOR_ELEMENT_ID="bfh-inspector",INSPECTOR_TAGNAME_FIELD_ID="bfh-inspector-tag",INSPECTOR_TAG_ATTRIBUTE_LIST_ID="bfh-inspector-tag-attr-list",COLOR_TOKEN="COLOR",STYLE_TAG_CONTENTS_TEMPLATE="*:focus {border: 5px solid "+COLOR_TOKEN+' !important;} input[type="radio"]:focus, input[type="checkbox"]:focus { outline: 5px solid '+COLOR_TOKEN+" !important; }",INSPECTOR_STYLES="background: rgba(0, 0, 0, 0.5);color: white; padding: 1rem; font-size: 1.4rem;",INSPECTOR_POSITION_BOTTOM=0,INSPECTOR_POSITION_SIDE=1,INSPECTOR_POSITIONS=[INSPECTOR_POSITION_BOTTOM,INSPECTOR_POSITION_SIDE],INSPECTOR_STYLE_FOR_POSITION=[];INSPECTOR_STYLE_FOR_POSITION[INSPECTOR_POSITION_BOTTOM]="width: 100%;height: auto;position: fixed;bottom: 0;",INSPECTOR_STYLE_FOR_POSITION[INSPECTOR_POSITION_SIDE]="width: auto;height: 100%;position: absolute;right: 0;top: 0;",this.currentColorIndex=0,this.isInspectorDisplayed=!0,this.inspectorPosition=INSPECTOR_POSITION_BOTTOM,this.getNextColor=function(){return this.currentColorIndex=(this.currentColorIndex+1)%COLORS.length,COLORS[this.currentColorIndex]},this.getInspectorStyles=function(){return INSPECTOR_STYLES+INSPECTOR_STYLE_FOR_POSITION[this.inspectorPosition]},this.generateStyleTagContents=function(e){var t=STYLE_TAG_CONTENTS_TEMPLATE.replace(COLOR_TOKEN,e).replace(COLOR_TOKEN,e);return decodeURIComponent(t)},this.createAndAppendStyleTag=function(){var e=document.createElement("style");e.setAttribute("id",STYLE_TAG_ID);var t=this.getNextColor();e.innerHTML=this.generateStyleTagContents(t),document.querySelector("head").appendChild(e)},this.toggleInspector=function(e){if(e&&e.key===I_KEY){var t=document.querySelector("#"+INSPECTOR_ELEMENT_ID);this.isInspectorDisplayed?t.style.display="none":t.style.display="block",this.isInspectorDisplayed=!this.isInspectorDisplayed}},this.toggleInspectorPosition=function(){event&&event.key===P_KEY&&(this.inspectorPosition=(this.inspectorPosition+1)%INSPECTOR_POSITIONS.length,document.getElementById(INSPECTOR_ELEMENT_ID).setAttribute("style",this.getInspectorStyles()))},this.toggleColor=function(e){if(e&&e.keyCode===ZERO_KEYCODE){var t=document.querySelector("#"+STYLE_TAG_ID),n=this.getNextColor();t.innerHTML=this.generateStyleTagContents(n)}},this.createAndAppendInspector=function(){var e=document.createElement("div");e.setAttribute("id",INSPECTOR_ELEMENT_ID),e.setAttribute("style",this.getInspectorStyles());var t=document.createElement("span");t.innerHTML="Focused element type: ";var n=document.createElement("span");n.setAttribute("id",INSPECTOR_TAGNAME_FIELD_ID);var i=document.createElement("ul");i.setAttribute("id",INSPECTOR_TAG_ATTRIBUTE_LIST_ID),e.appendChild(t),e.appendChild(n),e.appendChild(i),document.querySelector("body").appendChild(e)},this.getAttributesListMarkup=function(e){var t=function(e,t){var n=document.createElement("li"),i=document.createElement("span");i.innerText=e+": ";var r=document.createElement("span");if(0<e.indexOf("describedby")||0<e.indexOf("labelledby")){var o=document.getElementById(t);r.innerText="#"+t+"'s contents which are: \""+o.innerText+'"'}else r.innerText=t;return n.appendChild(i),n.appendChild(r),n},n=document.createElement("ul"),i=e.getAttributeNames().filter(function(e){return 0<=e.indexOf("aria")});for(var r in i){var o=i[r];n.appendChild(t(o,e.getAttribute(o)))}return n},this.bindKeyboardShortcuts=function(){document.addEventListener("keyup",this.toggleColor.bind(this)),document.addEventListener("keyup",this.toggleInspectorPosition.bind(this)),document.addEventListener("keyup",this.toggleInspector.bind(this))},this.addFocusListener=function(){document.addEventListener("focusin",function(e){if(e&&e.target){var t=e.target,n=document.querySelector("#"+INSPECTOR_TAGNAME_FIELD_ID);if(n){n.innerHTML=t.tagName;var i=this.getAttributesListMarkup(t);document.querySelector("#"+INSPECTOR_TAG_ATTRIBUTE_LIST_ID).innerHTML=i.innerHTML}}}.bind(this))},this.createAndAppendStyleTag(),this.createAndAppendInspector(),this.addFocusListener(),this.bindKeyboardShortcuts();})();
\ No newline at end of file
+javascript:(function(){"use strict";var _INSPECTOR_STYLE_FOR_;function _defineProperty(e,t,n){return t in e?Object.defineProperty(e,t,{value:n,enumerable:!0,configurable:!0,writable:!0}):e[t]=n,e}var setMessage=function(e){if(!e.getKey())throw new Error("Message invalid: missing key");window.Messages[e.getKey()]=e.getValue()},getMessage=function(e){return window.Messages[e]};window.Messages={setMessage:setMessage,getMessage:getMessage};var COLORS=["lime","rebeccapurple","orange","blue"],COLOR_TOKEN="COLOR",STYLE_TAG_CONTENTS_TEMPLATE="*:focus {border: 5px solid "+COLOR_TOKEN+' !important;} input[type="radio"]:focus, input[type="checkbox"]:focus { outline: 5px solid '+COLOR_TOKEN+" !important; }",STYLE_TAG_ID="bfh",ZERO_KEYCODE=48,currentColorIndex=0,getNextColor=function(){return currentColorIndex=(currentColorIndex+1)%COLORS.length,COLORS[currentColorIndex]},generateStyleTagContents=function(e){var t=STYLE_TAG_CONTENTS_TEMPLATE.replace(COLOR_TOKEN,e).replace(COLOR_TOKEN,e);return decodeURIComponent(t)},createAndAppendStyleTag=function(){var e=document.createElement("style");e.setAttribute("id",STYLE_TAG_ID);var t=getNextColor();e.innerHTML=generateStyleTagContents(t),document.querySelector("head").appendChild(e)},toggleColor=function(e){if(e&&e.keyCode===ZERO_KEYCODE){var t=document.querySelector("#"+STYLE_TAG_ID),n=getNextColor();t.innerHTML=generateStyleTagContents(n)}},initializeKeyBindings=function(){document.addEventListener("keyup",toggleColor)};window.FocusHandler={getNextColor:getNextColor,generateStyleTagContents:generateStyleTagContents,createAndAppendStyleTag:createAndAppendStyleTag,toggleColor:toggleColor,initializeKeyBindings:initializeKeyBindings};var I_KEY="i",P_KEY="p",INSPECTOR_ELEMENT_ID="bfh-inspector",INSPECTOR_TAGNAME_FIELD_ID="bfh-inspector-tag",INSPECTOR_TAG_ATTRIBUTE_LIST_ID="bfh-inspector-tag-attr-list",INSPECTOR_STYLES="background: rgba(0, 0, 0, 0.5);color: white; padding: 1rem; font-size: 1.4rem;",INSPECTOR_POSITION_BOTTOM=0,INSPECTOR_POSITION_SIDE=1,INSPECTOR_POSITIONS=[INSPECTOR_POSITION_BOTTOM,INSPECTOR_POSITION_SIDE],INSPECTOR_STYLE_FOR_POSITION=(_defineProperty(_INSPECTOR_STYLE_FOR_={},INSPECTOR_POSITION_BOTTOM,"width: 100%;height: auto;position: fixed;bottom: 0;"),_defineProperty(_INSPECTOR_STYLE_FOR_,INSPECTOR_POSITION_SIDE,"width: auto;height: 100%;position: absolute;right: 0;top: 0;"),_INSPECTOR_STYLE_FOR_),getInspectorStyles=function(){return""+INSPECTOR_STYLES+INSPECTOR_STYLE_FOR_POSITION[window.Inspector.inspectorPosition]},createAndAppendInspector=function(){var e=document.createElement("div");e.setAttribute("id",INSPECTOR_ELEMENT_ID),e.setAttribute("style",getInspectorStyles());var t=document.createElement("span");t.innerHTML="Focused element type: ";var n=document.createElement("span");n.setAttribute("id",INSPECTOR_TAGNAME_FIELD_ID);var o=document.createElement("ul");o.setAttribute("id",INSPECTOR_TAG_ATTRIBUTE_LIST_ID),e.appendChild(t),e.appendChild(n),e.appendChild(o),document.querySelector("body").appendChild(e),window.Inspector.isDisplayed=!0},toggleInspectorPosition=function(e){e&&e.key===P_KEY&&(window.Inspector.inspectorPosition=(window.Inspector.inspectorPosition+1)%INSPECTOR_POSITIONS.length,document.getElementById(INSPECTOR_ELEMENT_ID).setAttribute("style",getInspectorStyles()))},toggleDisplay=function(e){if(e&&e.key===I_KEY){var t=document.querySelector("#"+INSPECTOR_ELEMENT_ID);window.Inspector.isDisplayed?t.style.display="none":t.style.display="block",window.Inspector.isDisplayed=!window.Inspector.isDisplayed}},getAttributesListMarkup=function(e){var t=function(e,t){var n=document.createElement("li"),o=document.createElement("span");o.innerText=e+" : ";var i=document.createElement("span");if(0<e.indexOf("describedby")||0<e.indexOf("labelledby")){var r=document.getElementById(t);i.innerText="#"+t+"'s contents which are: \""+r.innerText+'"'}else i.innerText=t;return n.appendChild(o),n.appendChild(i),n},n=document.createElement("ul"),o=e.getAttributeNames().filter(function(e){return 0<=e.indexOf("aria")});for(var i in o){var r=o[i];n.appendChild(t(r,e.getAttribute(r)))}return n},updateInspectorContentsFromFocusin=function(e){if(e&&e.target){var t=e.target,n=document.querySelector("#"+INSPECTOR_TAGNAME_FIELD_ID);if(n){n.innerHTML=t.tagName;var o=getAttributesListMarkup(t);document.querySelector("#"+INSPECTOR_TAG_ATTRIBUTE_LIST_ID).innerHTML=o.innerHTML}}};window.Inspector={isDisplayed:!1,createAndAppendInspector:createAndAppendInspector,toggleInspectorPosition:toggleInspectorPosition,toggleDisplay:toggleDisplay,inspectorPosition:INSPECTOR_POSITION_BOTTOM,updateInspectorContentsFromFocusin:updateInspectorContentsFromFocusin,initializeKeyBindings:function(){document.addEventListener("keyup",toggleInspectorPosition),document.addEventListener("keyup",toggleDisplay),document.addEventListener("focusin",updateInspectorContentsFromFocusin)}},Inspector.createAndAppendInspector(),FocusHandler.createAndAppendStyleTag(),Inspector.initializeKeyBindings(),FocusHandler.initializeKeyBindings();})();
\ No newline at end of file
diff --git a/gulpfile.js b/gulpfile.js
index a4dbb8a..7e60285 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -2,6 +2,7 @@ var gulp = require('gulp');
 var concat = require('gulp-concat');
 var watch = require('gulp-watch');
 var uglify = require('gulp-uglify');
+var babel = require('gulp-babel');
 var textTransformation = require('gulp-text-simple');
 
 // Very handcrafted (fragile) function to transform source into a copy-pastable bookmark :(
@@ -17,6 +18,16 @@ gulp.task('watch', function () {
     return watch('src/*.js', function () {
         return gulp.src('src/*.js')
           .pipe(concat('main.js'))
+          .pipe(babel({
+              presets: [
+                ["env", {
+                  "targets": {
+                    // The % refers to the global coverage of users from browserslist
+                    "browsers": [ ">0.25%", "not ie 11", "not op_mini all"]
+                  }
+                }]
+              ]
+          }))
           .pipe(gulp.dest('temp/'));
     });
 });
@@ -24,6 +35,16 @@ gulp.task('watch', function () {
 gulp.task('build', function () {
     return gulp.src('src/*.js')
         .pipe(concat('main.js'))
+        .pipe(babel({
+            presets: [
+                ["env", {
+                  "targets": {
+                    // The % refers to the global coverage of users from browserslist
+                    "browsers": [ ">0.25%", "not ie 11", "not op_mini all"]
+                  }
+                }]
+              ]
+        }))
         .pipe(uglify('main.js'))
         .pipe(wrappedBookmarkify())
         .pipe(gulp.dest('dist/'));
diff --git a/index.html b/index.html
index 1d74c7e..c9e4b83 100644
--- a/index.html
+++ b/index.html
@@ -7,21 +7,28 @@
   <title>Bookmark focus playground</title>
   <meta name="description" content="Bookmark focus playground">
   <meta name="author" content="Jay Kid">
-
-  <!-- <link rel="stylesheet" href="css/styles.css?v=1.0"> -->
-
-  <!--[if lt IE 9]>
-    <script src="https://cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv.js"></script>
-  <![endif]-->
 </head>
 
 <body>
+    <!-- A11y -->
+    <!-- Borrowed from https://webaim.org/techniques/css/invisiblecontent/ :) -->
+    <style>
+      .screen-reader-only {
+          position:absolute;
+          left:-10000px;
+          top:auto;
+          width:1px;
+          height:1px;
+          overflow:hidden;
+      }
+    </style>
     <form>
         <fieldset>
             <legend>Personal information</legend>
             <div>
+              <span class="screen-reader-only" id="input-description">The fake user input that does nothing</span>
               <label for="username">Name: <abbr title="required">*</abbr></label>
-              <input aria-hidden="false" aria-busy="false" id="username" type="text" name="username">
+              <input aria-describedby="input-description" aria-hidden="false" aria-busy="false" id="username" type="text" name="username">
             </div>
         </fieldset>
         <fieldset>
diff --git a/package-lock.json b/package-lock.json
index 270ec43..090dd1e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,6 +4,15 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
+    "ansi-colors": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/ansi-colors/-/ansi-colors-1.1.0.tgz",
+      "integrity": "sha512-SFKX67auSNoVR38N3L+nvsPjOE0bybKTYbkf5tRvushrAPQ9V75huw0ZxBkKVeRU9kqH3d6HA4xTckbwZ4ixmA==",
+      "dev": true,
+      "requires": {
+        "ansi-wrap": "0.1.0"
+      }
+    },
     "ansi-gray": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/ansi-gray/-/ansi-gray-0.1.1.tgz",
@@ -204,6 +213,652 @@
       "integrity": "sha1-GcenYEc3dEaPILLS0DNyrX1Mv10=",
       "dev": true
     },
+    "babel-code-frame": {
+      "version": "6.26.0",
+      "resolved": "https://registry.npmjs.org/babel-code-frame/-/babel-code-frame-6.26.0.tgz",
+      "integrity": "sha1-Y/1D99weO7fONZR9uP42mj9Yx0s=",
+      "dev": true,
+      "requires": {
+        "chalk": "1.1.3",
+        "esutils": "2.0.2",
+        "js-tokens": "3.0.2"
+      }
+    },
+    "babel-core": {
+      "version": "6.26.3",
+      "resolved": "https://registry.npmjs.org/babel-core/-/babel-core-6.26.3.tgz",
+      "integrity": "sha512-6jyFLuDmeidKmUEb3NM+/yawG0M2bDZ9Z1qbZP59cyHLz8kYGKYwpJP0UwUKKUiTRNvxfLesJnTedqczP7cTDA==",
+      "dev": true,
+      "requires": {
+        "babel-code-frame": "6.26.0",
+        "babel-generator": "6.26.1",
+        "babel-helpers": "6.24.1",
+        "babel-messages": "6.23.0",
+        "babel-register": "6.26.0",
+        "babel-runtime": "6.26.0",
+        "babel-template": "6.26.0",
+        "babel-traverse": "6.26.0",
+        "babel-types": "6.26.0",
+        "babylon": "6.18.0",
+        "convert-source-map": "1.5.1",
+        "debug": "2.6.9",
+        "json5": "0.5.1",
+        "lodash": "4.17.5",
+        "minimatch": "3.0.4",
+        "path-is-absolute": "1.0.1",
+        "private": "0.1.8",
+        "slash": "1.0.0",
+        "source-map": "0.5.7"
+      },
+      "dependencies": {
+        "minimatch": {
+          "version": "3.0.4",
+          "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
+          "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
+          "dev": true,
+          "requires": {
+            "brace-expansion": "1.1.11"
+          }
+        },
+        "source-map": {
+          "version": "0.5.7",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
+          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
+          "dev": true
+        }
+      }
+    },
+    "babel-generator": {
+      "version": "6.26.1",
+      "resolved": "https://registry.npmjs.org/babel-generator/-/babel-generator-6.26.1.tgz",
+      "integrity": "sha512-HyfwY6ApZj7BYTcJURpM5tznulaBvyio7/0d4zFOeMPUmfxkCjHocCuoLa2SAGzBI8AREcH3eP3758F672DppA==",
+      "dev": true,
+      "requires": {
+        "babel-messages": "6.23.0",
+        "babel-runtime": "6.26.0",
+        "babel-types": "6.26.0",
+        "detect-indent": "4.0.0",
+        "jsesc": "1.3.0",
+        "lodash": "4.17.5",
+        "source-map": "0.5.7",
+        "trim-right": "1.0.1"
+      },
+      "dependencies": {
+        "source-map": {
+          "version": "0.5.7",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
+          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
+          "dev": true
+        }
+      }
+    },
+    "babel-helper-builder-binary-assignment-operator-visitor": {
+      "version": "6.24.1",
+      "resolved": "https://registry.npmjs.org/babel-helper-builder-binary-assignment-operator-visitor/-/babel-helper-builder-binary-assignment-operator-visitor-6.24.1.tgz",
+      "integrity": "sha1-zORReto1b0IgvK6KAsKzRvmlZmQ=",
+      "dev": true,
+      "requires": {
+        "babel-helper-explode-assignable-expression": "6.24.1",
+        "babel-runtime": "6.26.0",
+        "babel-types": "6.26.0"
+      }
+    },
+    "babel-helper-call-delegate": {
+      "version": "6.24.1",
+      "resolved": "https://registry.npmjs.org/babel-helper-call-delegate/-/babel-helper-call-delegate-6.24.1.tgz",
+      "integrity": "sha1-7Oaqzdx25Bw0YfiL/Fdb0Nqi340=",
+      "dev": true,
+      "requires": {
+        "babel-helper-hoist-variables": "6.24.1",
+        "babel-runtime": "6.26.0",
+        "babel-traverse": "6.26.0",
+        "babel-types": "6.26.0"
+      }
+    },
+    "babel-helper-define-map": {
+      "version": "6.26.0",
+      "resolved": "https://registry.npmjs.org/babel-helper-define-map/-/babel-helper-define-map-6.26.0.tgz",
+      "integrity": "sha1-pfVtq0GiX5fstJjH66ypgZ+Vvl8=",
+      "dev": true,
+      "requires": {
+        "babel-helper-function-name": "6.24.1",
+        "babel-runtime": "6.26.0",
+        "babel-types": "6.26.0",
+        "lodash": "4.17.5"
+      }
+    },
+    "babel-helper-explode-assignable-expression": {
+      "version": "6.24.1",
+      "resolved": "https://registry.npmjs.org/babel-helper-explode-assignable-expression/-/babel-helper-explode-assignable-expression-6.24.1.tgz",
+      "integrity": "sha1-8luCz33BBDPFX3BZLVdGQArCLKo=",
+      "dev": true,
+      "requires": {
+        "babel-runtime": "6.26.0",
+        "babel-traverse": "6.26.0",
+        "babel-types": "6.26.0"
+      }
+    },
+    "babel-helper-function-name": {
+      "version": "6.24.1",
+      "resolved": "https://registry.npmjs.org/babel-helper-function-name/-/babel-helper-function-name-6.24.1.tgz",
+      "integrity": "sha1-00dbjAPtmCQqJbSDUasYOZ01gKk=",
+      "dev": true,
+      "requires": {
+        "babel-helper-get-function-arity": "6.24.1",
+        "babel-runtime": "6.26.0",
+        "babel-template": "6.26.0",
+        "babel-traverse": "6.26.0",
+        "babel-types": "6.26.0"
+      }
+    },
+    "babel-helper-get-function-arity": {
+      "version": "6.24.1",
+      "resolved": "https://registry.npmjs.org/babel-helper-get-function-arity/-/babel-helper-get-function-arity-6.24.1.tgz",
+      "integrity": "sha1-j3eCqpNAfEHTqlCQj4mwMbG2hT0=",
+      "dev": true,
+      "requires": {
+        "babel-runtime": "6.26.0",
+        "babel-types": "6.26.0"
+      }
+    },
+    "babel-helper-hoist-variables": {
+      "version": "6.24.1",
+      "resolved": "https://registry.npmjs.org/babel-helper-hoist-variables/-/babel-helper-hoist-variables-6.24.1.tgz",
+      "integrity": "sha1-HssnaJydJVE+rbyZFKc/VAi+enY=",
+      "dev": true,
+      "requires": {
+        "babel-runtime": "6.26.0",
+        "babel-types": "6.26.0"
+      }
+    },
+    "babel-helper-optimise-call-expression": {
+      "version": "6.24.1",
+      "resolved": "https://registry.npmjs.org/babel-helper-optimise-call-expression/-/babel-helper-optimise-call-expression-6.24.1.tgz",
+      "integrity": "sha1-96E0J7qfc/j0+pk8VKl4gtEkQlc=",
+      "dev": true,
+      "requires": {
+        "babel-runtime": "6.26.0",
+        "babel-types": "6.26.0"
+      }
+    },
+    "babel-helper-regex": {
+      "version": "6.26.0",
+      "resolved": "https://registry.npmjs.org/babel-helper-regex/-/babel-helper-regex-6.26.0.tgz",
+      "integrity": "sha1-MlxZ+QL4LyS3T6zu0DY5VPZJXnI=",
+      "dev": true,
+      "requires": {
+        "babel-runtime": "6.26.0",
+        "babel-types": "6.26.0",
+        "lodash": "4.17.5"
+      }
+    },
+    "babel-helper-remap-async-to-generator": {
+      "version": "6.24.1",
+      "resolved": "https://registry.npmjs.org/babel-helper-remap-async-to-generator/-/babel-helper-remap-async-to-generator-6.24.1.tgz",
+      "integrity": "sha1-XsWBgnrXI/7N04HxySg5BnbkVRs=",
+      "dev": true,
+      "requires": {
+        "babel-helper-function-name": "6.24.1",
+        "babel-runtime": "6.26.0",
+        "babel-template": "6.26.0",
+        "babel-traverse": "6.26.0",
+        "babel-types": "6.26.0"
+      }
+    },
+    "babel-helper-replace-supers": {
+      "version": "6.24.1",
+      "resolved": "https://registry.npmjs.org/babel-helper-replace-supers/-/babel-helper-replace-supers-6.24.1.tgz",
+      "integrity": "sha1-v22/5Dk40XNpohPKiov3S2qQqxo=",
+      "dev": true,
+      "requires": {
+        "babel-helper-optimise-call-expression": "6.24.1",
+        "babel-messages": "6.23.0",
+        "babel-runtime": "6.26.0",
+        "babel-template": "6.26.0",
+        "babel-traverse": "6.26.0",
+        "babel-types": "6.26.0"
+      }
+    },
+    "babel-helpers": {
+      "version": "6.24.1",
+      "resolved": "https://registry.npmjs.org/babel-helpers/-/babel-helpers-6.24.1.tgz",
+      "integrity": "sha1-NHHenK7DiOXIUOWX5Yom3fN2ArI=",
+      "dev": true,
+      "requires": {
+        "babel-runtime": "6.26.0",
+        "babel-template": "6.26.0"
+      }
+    },
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@@ -315,6 +980,12 @@
         "unset-value": "1.0.0"
       }
     },
+    "caniuse-lite": {
+      "version": "1.0.30000865",
+      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30000865.tgz",
+      "integrity": "sha512-vs79o1mOSKRGv/1pSkp4EXgl4ZviWeYReXw60XfacPU64uQWZwJT6vZNmxRF9O+6zu71sJwMxLK5JXxbzuVrLw==",
+      "dev": true
+    },
     "chalk": {
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
@@ -521,12 +1192,24 @@
         "source-map": "0.6.1"
       }
     },
+    "convert-source-map": {
+      "version": "1.5.1",
+      "resolved": "https://registry.npmjs.org/convert-source-map/-/convert-source-map-1.5.1.tgz",
+      "integrity": "sha1-uCeAl7m8IpNl3lxiz1/K7YtVmeU=",
+      "dev": true
+    },
     "copy-descriptor": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/copy-descriptor/-/copy-descriptor-0.1.1.tgz",
       "integrity": "sha1-Z29us8OZl8LuGsOpJP1hJHSPV40=",
       "dev": true
     },
+    "core-js": {
+      "version": "2.5.7",
+      "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.5.7.tgz",
+      "integrity": "sha512-RszJCAxg/PP6uzXVXL6BsxSXx/B05oJAQ2vkJRjyjrEcNVycaqOmNb5OTxZPE3xa5gwZduqza6L9JOCenh/Ecw==",
+      "dev": true
+    },
     "core-util-is": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
@@ -585,6 +1268,15 @@
       "integrity": "sha1-8NZtA2cqglyxtzvbP+YjEMjlUrc=",
       "dev": true
     },
+    "detect-indent": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/detect-indent/-/detect-indent-4.0.0.tgz",
+      "integrity": "sha1-920GQ1LN9Docts5hnE7jqUdd4gg=",
+      "dev": true,
+      "requires": {
+        "repeating": "2.0.1"
+      }
+    },
     "duplexer2": {
       "version": "0.0.2",
       "resolved": "https://registry.npmjs.org/duplexer2/-/duplexer2-0.0.2.tgz",
@@ -620,6 +1312,12 @@
         }
       }
     },
+    "electron-to-chromium": {
+      "version": "1.3.52",
+      "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.3.52.tgz",
+      "integrity": "sha1-0tnxJwuko7lnuDHEDvcftNmrXOA=",
+      "dev": true
+    },
     "end-of-stream": {
       "version": "0.1.5",
       "resolved": "https://registry.npmjs.org/end-of-stream/-/end-of-stream-0.1.5.tgz",
@@ -635,6 +1333,12 @@
       "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=",
       "dev": true
     },
+    "esutils": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/esutils/-/esutils-2.0.2.tgz",
+      "integrity": "sha1-Cr9PHKpbyx96nYrMbepPqqBLrJs=",
+      "dev": true
+    },
     "expand-brackets": {
       "version": "2.1.4",
       "resolved": "https://registry.npmjs.org/expand-brackets/-/expand-brackets-2.1.4.tgz",
@@ -2026,6 +2730,12 @@
         "which": "1.3.0"
       }
     },
+    "globals": {
+      "version": "9.18.0",
+      "resolved": "https://registry.npmjs.org/globals/-/globals-9.18.0.tgz",
+      "integrity": "sha512-S0nG3CLEQiY/ILxqtztTWH/3iRRdyBLw6KMDxnKMchrtbj2OFmehVh0WUCfW3DUrIgx/qFrJPICrq4Z4sTR9UQ==",
+      "dev": true
+    },
     "globule": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/globule/-/globule-0.1.0.tgz",
@@ -2117,6 +2827,18 @@
         "vinyl-fs": "0.3.14"
       }
     },
+    "gulp-babel": {
+      "version": "7.0.1",
+      "resolved": "https://registry.npmjs.org/gulp-babel/-/gulp-babel-7.0.1.tgz",
+      "integrity": "sha512-UqHS3AdxZyJCRxqnAX603Dj3k/Wx6hzcgmav3QcxvsIFq3Y8ZkU7iXd0O+JwD5ivqCc6o0r1S7tCB/xxLnuSNw==",
+      "dev": true,
+      "requires": {
+        "plugin-error": "1.0.1",
+        "replace-ext": "0.0.1",
+        "through2": "2.0.3",
+        "vinyl-sourcemaps-apply": "0.2.1"
+      }
+    },
     "gulp-concat": {
       "version": "2.6.1",
       "resolved": "https://registry.npmjs.org/gulp-concat/-/gulp-concat-2.6.1.tgz",
@@ -2331,6 +3053,16 @@
         }
       }
     },
+    "home-or-tmp": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/home-or-tmp/-/home-or-tmp-2.0.0.tgz",
+      "integrity": "sha1-42w/LSyufXRqhX440Y1fMqeILbg=",
+      "dev": true,
+      "requires": {
+        "os-homedir": "1.0.2",
+        "os-tmpdir": "1.0.2"
+      }
+    },
     "homedir-polyfill": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/homedir-polyfill/-/homedir-polyfill-1.0.1.tgz",
@@ -2368,6 +3100,15 @@
       "integrity": "sha1-ftGxQQxqDg94z5XTuEQMY/eLhhQ=",
       "dev": true
     },
+    "invariant": {
+      "version": "2.2.4",
+      "resolved": "https://registry.npmjs.org/invariant/-/invariant-2.2.4.tgz",
+      "integrity": "sha512-phJfQVBuaJM5raOpJjSfkiD6BpbCE4Ns//LaXl6wGYtUBY83nWS6Rf9tXm2e8VaK60JEjYldbPif/A2B1C2gNA==",
+      "dev": true,
+      "requires": {
+        "loose-envify": "1.4.0"
+      }
+    },
     "is-absolute": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-absolute/-/is-absolute-1.0.0.tgz",
@@ -2449,6 +3190,15 @@
       "integrity": "sha1-qIwCU1eR8C7TfHahueqXc8gz+MI=",
       "dev": true
     },
+    "is-finite": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/is-finite/-/is-finite-1.0.2.tgz",
+      "integrity": "sha1-zGZ3aVYCvlUO8R6LSqYwU0K20Ko=",
+      "dev": true,
+      "requires": {
+        "number-is-nan": "1.0.1"
+      }
+    },
     "is-glob": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/is-glob/-/is-glob-3.1.0.tgz",
@@ -2564,6 +3314,24 @@
       "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8=",
       "dev": true
     },
+    "js-tokens": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-3.0.2.tgz",
+      "integrity": "sha1-mGbfOVECEw449/mWvOtlRDIJwls=",
+      "dev": true
+    },
+    "jsesc": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-1.3.0.tgz",
+      "integrity": "sha1-RsP+yMGJKxKwgz25vHYiF226s0s=",
+      "dev": true
+    },
+    "json5": {
+      "version": "0.5.1",
+      "resolved": "https://registry.npmjs.org/json5/-/json5-0.5.1.tgz",
+      "integrity": "sha1-Hq3nrMASA0rYTiOWdn6tn6VJWCE=",
+      "dev": true
+    },
     "kind-of": {
       "version": "6.0.2",
       "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-6.0.2.tgz",
@@ -2720,6 +3488,15 @@
         "lodash.escape": "3.2.0"
       }
     },
+    "loose-envify": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/loose-envify/-/loose-envify-1.4.0.tgz",
+      "integrity": "sha512-lyuxPGr/Wfhrlem2CL/UcnUc1zcqKAImBDzukY7Y5F/yQiNdko6+fRLevlw1HgMySw7f611UIY408EtxRSoK3Q==",
+      "dev": true,
+      "requires": {
+        "js-tokens": "3.0.2"
+      }
+    },
     "lru-cache": {
       "version": "2.7.3",
       "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-2.7.3.tgz",
@@ -2907,6 +3684,12 @@
         "remove-trailing-separator": "1.1.0"
       }
     },
+    "number-is-nan": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/number-is-nan/-/number-is-nan-1.0.1.tgz",
+      "integrity": "sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0=",
+      "dev": true
+    },
     "object-assign": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-3.0.0.tgz",
@@ -3074,6 +3857,12 @@
       "integrity": "sha1-/7xJiDNuDoM94MFox+8VISGqf7M=",
       "dev": true
     },
+    "os-tmpdir": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/os-tmpdir/-/os-tmpdir-1.0.2.tgz",
+      "integrity": "sha1-u+Z0BseaqFxc/sdm/lc0VV36EnQ=",
+      "dev": true
+    },
     "parse-filepath": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/parse-filepath/-/parse-filepath-1.0.2.tgz",
@@ -3180,6 +3969,18 @@
         "pinkie": "2.0.4"
       }
     },
+    "plugin-error": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/plugin-error/-/plugin-error-1.0.1.tgz",
+      "integrity": "sha512-L1zP0dk7vGweZME2i+EeakvUNqSrdiI3F91TwEoYiGrAfUXmVv6fJIq4g82PAXxNsWOp0J7ZqQy/3Szz0ajTxA==",
+      "dev": true,
+      "requires": {
+        "ansi-colors": "1.1.0",
+        "arr-diff": "4.0.0",
+        "arr-union": "3.1.0",
+        "extend-shallow": "3.0.2"
+      }
+    },
     "posix-character-classes": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/posix-character-classes/-/posix-character-classes-0.1.1.tgz",
@@ -3198,6 +3999,12 @@
       "integrity": "sha1-t+PqQkNaTJsnWdmeDyAesZWALuE=",
       "dev": true
     },
+    "private": {
+      "version": "0.1.8",
+      "resolved": "https://registry.npmjs.org/private/-/private-0.1.8.tgz",
+      "integrity": "sha512-VvivMrbvd2nKkiG38qjULzlc+4Vx4wm/whI9pQD35YrARNnhxeiRktSOhSukRLFNlzg6Br/cJPet5J/u19r/mg==",
+      "dev": true
+    },
     "process-nextick-args": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.0.tgz",
@@ -3278,6 +4085,29 @@
         "resolve": "1.5.0"
       }
     },
+    "regenerate": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/regenerate/-/regenerate-1.4.0.tgz",
+      "integrity": "sha512-1G6jJVDWrt0rK99kBjvEtziZNCICAuvIPkSiUFIQxVP06RCVpq3dmDo2oi6ABpYaDYaTRr67BEhL8r1wgEZZKg==",
+      "dev": true
+    },
+    "regenerator-runtime": {
+      "version": "0.11.1",
+      "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.11.1.tgz",
+      "integrity": "sha512-MguG95oij0fC3QV3URf4V2SDYGJhJnJGqvIIgdECeODCT98wSWDAJ94SSuVpYQUoTcGUIL6L4yNB7j1DFFHSBg==",
+      "dev": true
+    },
+    "regenerator-transform": {
+      "version": "0.10.1",
+      "resolved": "https://registry.npmjs.org/regenerator-transform/-/regenerator-transform-0.10.1.tgz",
+      "integrity": "sha512-PJepbvDbuK1xgIgnau7Y90cwaAmO/LCLMI2mPvaXq2heGMR3aWW5/BQvYrhJ8jgmQjXewXvBjzfqKcVOmhjZ6Q==",
+      "dev": true,
+      "requires": {
+        "babel-runtime": "6.26.0",
+        "babel-types": "6.26.0",
+        "private": "0.1.8"
+      }
+    },
     "regex-cache": {
       "version": "0.4.4",
       "resolved": "https://registry.npmjs.org/regex-cache/-/regex-cache-0.4.4.tgz",
@@ -3297,6 +4127,40 @@
         "safe-regex": "1.1.0"
       }
     },
+    "regexpu-core": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/regexpu-core/-/regexpu-core-2.0.0.tgz",
+      "integrity": "sha1-SdA4g3uNz4v6W5pCE5k45uoq4kA=",
+      "dev": true,
+      "requires": {
+        "regenerate": "1.4.0",
+        "regjsgen": "0.2.0",
+        "regjsparser": "0.1.5"
+      }
+    },
+    "regjsgen": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/regjsgen/-/regjsgen-0.2.0.tgz",
+      "integrity": "sha1-bAFq3qxVT3WCP+N6wFuS1aTtsfc=",
+      "dev": true
+    },
+    "regjsparser": {
+      "version": "0.1.5",
+      "resolved": "https://registry.npmjs.org/regjsparser/-/regjsparser-0.1.5.tgz",
+      "integrity": "sha1-fuj4Tcb6eS0/0K4ijSS9lJ6tIFw=",
+      "dev": true,
+      "requires": {
+        "jsesc": "0.5.0"
+      },
+      "dependencies": {
+        "jsesc": {
+          "version": "0.5.0",
+          "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-0.5.0.tgz",
+          "integrity": "sha1-597mbjXW/Bb3EP6R1c9p9w8IkR0=",
+          "dev": true
+        }
+      }
+    },
     "remove-trailing-separator": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/remove-trailing-separator/-/remove-trailing-separator-1.1.0.tgz",
@@ -3315,6 +4179,15 @@
       "integrity": "sha1-jcrkcOHIirwtYA//Sndihtp15jc=",
       "dev": true
     },
+    "repeating": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/repeating/-/repeating-2.0.1.tgz",
+      "integrity": "sha1-UhTFOpJtNVJwdSf7q0FdvAjQbdo=",
+      "dev": true,
+      "requires": {
+        "is-finite": "1.0.2"
+      }
+    },
     "replace-ext": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/replace-ext/-/replace-ext-0.0.1.tgz",
@@ -3589,6 +4462,23 @@
         "urix": "0.1.0"
       }
     },
+    "source-map-support": {
+      "version": "0.4.18",
+      "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.4.18.tgz",
+      "integrity": "sha512-try0/JqxPLF9nOjvSta7tVondkP5dwgyLDjVoyMDlmjugT2lRZ1OfsrYTkCd2hkDnJTKRbO/Rl3orm8vlsUzbA==",
+      "dev": true,
+      "requires": {
+        "source-map": "0.5.7"
+      },
+      "dependencies": {
+        "source-map": {
+          "version": "0.5.7",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
+          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
+          "dev": true
+        }
+      }
+    },
     "source-map-url": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/source-map-url/-/source-map-url-0.4.0.tgz",
@@ -3783,6 +4673,12 @@
       "integrity": "sha1-dkpaEa9QVhkhsTPztE5hhofg9cM=",
       "dev": true
     },
+    "to-fast-properties": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-1.0.3.tgz",
+      "integrity": "sha1-uDVx+k2MJbguIxsG46MFXeTKGkc=",
+      "dev": true
+    },
     "to-object-path": {
       "version": "0.3.0",
       "resolved": "https://registry.npmjs.org/to-object-path/-/to-object-path-0.3.0.tgz",
@@ -3825,6 +4721,12 @@
         "repeat-string": "1.6.1"
       }
     },
+    "trim-right": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/trim-right/-/trim-right-1.0.1.tgz",
+      "integrity": "sha1-yy4SAwZ+DI3h9hQJS5/kVwTqYAM=",
+      "dev": true
+    },
     "uglify-js": {
       "version": "3.3.13",
       "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.3.13.tgz",
diff --git a/package.json b/package.json
index 22049a0..6d2379f 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,10 @@
   "author": "Jay Kid",
   "license": "MIT",
   "devDependencies": {
+    "babel-core": "^6.26.3",
+    "babel-preset-env": "^1.7.0",
     "gulp": "3.9.1",
+    "gulp-babel": "^7.0.1",
     "gulp-concat": "2.6.1",
     "gulp-text-simple": "0.4.1",
     "gulp-uglify": "3.0.0",
diff --git a/src/focusHandler.js b/src/focusHandler.js
index 2f3626f..11beaef 100644
--- a/src/focusHandler.js
+++ b/src/focusHandler.js
@@ -1,43 +1,43 @@
 // FocusHandler
 // Constants
-var COLORS = ['lime','rebeccapurple','orange','blue'];
-var COLOR_TOKEN = 'COLOR';
-var STYLE_TAG_CONTENTS_TEMPLATE = "*:focus {border: 5px solid " + COLOR_TOKEN + " !important;} input[type=\"radio\"]:focus, input[type=\"checkbox\"]:focus { outline: 5px solid " + COLOR_TOKEN + " !important; }";
-var STYLE_TAG_ID = 'bfh';
-var ZERO_KEYCODE = 48;
+const COLORS = ['lime','rebeccapurple','orange','blue']
+const COLOR_TOKEN = 'COLOR'
+const STYLE_TAG_CONTENTS_TEMPLATE = `*:focus {border: 5px solid ${COLOR_TOKEN} !important;} input[type="radio"]:focus, input[type="checkbox"]:focus { outline: 5px solid ${COLOR_TOKEN} !important; }`
+const STYLE_TAG_ID = 'bfh'
+const ZERO_KEYCODE = 48
 
 // State
-var currentColorIndex = 0;
+let currentColorIndex = 0
 
 // Methods
-var getNextColor = function () {
-    currentColorIndex = (currentColorIndex+1) % COLORS.length;
-    return COLORS[currentColorIndex];
+const getNextColor = () => {
+    currentColorIndex = (currentColorIndex+1) % COLORS.length
+    return COLORS[currentColorIndex]
 };
 
-var generateStyleTagContents = function (color) {
-    var contents = STYLE_TAG_CONTENTS_TEMPLATE.replace(COLOR_TOKEN, color).replace(COLOR_TOKEN, color);
-    return decodeURIComponent(contents);
+const generateStyleTagContents = color => {
+    const contents = STYLE_TAG_CONTENTS_TEMPLATE.replace(COLOR_TOKEN, color).replace(COLOR_TOKEN, color)
+    return decodeURIComponent(contents)
 };
 
-var createAndAppendStyleTag = function () {
-    var styleTag = document.createElement('style');
-    styleTag.setAttribute('id', STYLE_TAG_ID);
-    var nextColor = getNextColor();
-    styleTag.innerHTML = generateStyleTagContents(nextColor);
-    document.querySelector('head').appendChild(styleTag);
-};
+const createAndAppendStyleTag = () => {
+    let styleTag = document.createElement('style')
+    styleTag.setAttribute('id', STYLE_TAG_ID)
+    const nextColor = getNextColor()
+    styleTag.innerHTML = generateStyleTagContents(nextColor)
+    document.querySelector('head').appendChild(styleTag)
+}
 
-var toggleColor = function (event) {
+const toggleColor = event => {
     if (event && event.keyCode === ZERO_KEYCODE) {
-        var currentStyleTag = document.querySelector('#'+STYLE_TAG_ID);
-        var nextColor = getNextColor();
-        currentStyleTag.innerHTML = generateStyleTagContents(nextColor);
+        let currentStyleTag = document.querySelector(`#${STYLE_TAG_ID}`)
+        const nextColor = getNextColor()
+        currentStyleTag.innerHTML = generateStyleTagContents(nextColor)
     }
-};
+}
 
-var initializeKeyBindings = function () {
-    document.addEventListener('keyup', toggleColor);
+const initializeKeyBindings = () => {
+    document.addEventListener('keyup', toggleColor)
 }
 
 window.FocusHandler = {
diff --git a/src/inspector.js b/src/inspector.js
index 14ff258..52ff352 100644
--- a/src/inspector.js
+++ b/src/inspector.js
@@ -1,114 +1,111 @@
 // Inspector
 // Constants
-var I_KEY = 'i';
-var P_KEY = 'p';
-var INSPECTOR_ELEMENT_ID = 'bfh-inspector';
-var INSPECTOR_TAGNAME_FIELD_ID = 'bfh-inspector-tag';
-var INSPECTOR_TAG_ATTRIBUTE_LIST_ID = 'bfh-inspector-tag-attr-list';
-var INSPECTOR_STYLES = "background: rgba(0, 0, 0, 0.5);color: white; padding: 1rem; font-size: 1.4rem;";
-var INSPECTOR_POSITION_BOTTOM = 0;
-var INSPECTOR_POSITION_SIDE = 1;
-var INSPECTOR_POSITIONS = [ INSPECTOR_POSITION_BOTTOM, INSPECTOR_POSITION_SIDE ];
-var INSPECTOR_STYLE_FOR_POSITION = [];
-INSPECTOR_STYLE_FOR_POSITION[INSPECTOR_POSITION_BOTTOM] = "width: 100%;height: auto;position: fixed;bottom: 0;";
-INSPECTOR_STYLE_FOR_POSITION[INSPECTOR_POSITION_SIDE] = "width: auto;height: 100%;position: absolute;right: 0;top: 0;";
+const I_KEY = 'i'
+const P_KEY = 'p'
+const INSPECTOR_ELEMENT_ID = 'bfh-inspector'
+const INSPECTOR_TAGNAME_FIELD_ID = 'bfh-inspector-tag'
+const INSPECTOR_TAG_ATTRIBUTE_LIST_ID = 'bfh-inspector-tag-attr-list'
+const INSPECTOR_STYLES = "background: rgba(0, 0, 0, 0.5);color: white; padding: 1rem; font-size: 1.4rem;"
+const INSPECTOR_POSITION_BOTTOM = 0
+const INSPECTOR_POSITION_SIDE = 1
+const INSPECTOR_POSITIONS = [ 
+    INSPECTOR_POSITION_BOTTOM, 
+    INSPECTOR_POSITION_SIDE 
+]
+const INSPECTOR_STYLE_FOR_POSITION = {
+    [INSPECTOR_POSITION_BOTTOM]: "width: 100%;height: auto;position: fixed;bottom: 0;",
+    [INSPECTOR_POSITION_SIDE]: "width: auto;height: 100%;position: absolute;right: 0;top: 0;"
+}
 
 // Methods
-var getInspectorStyles = function () {
-    return INSPECTOR_STYLES + INSPECTOR_STYLE_FOR_POSITION[window.Inspector.inspectorPosition];
-}
+const getInspectorStyles = () =>
+    `${INSPECTOR_STYLES}${INSPECTOR_STYLE_FOR_POSITION[window.Inspector.inspectorPosition]}`
 
-var createAndAppendInspector = function () {
-    var inspectorElement = document.createElement('div');
-    inspectorElement.setAttribute('id', INSPECTOR_ELEMENT_ID);
-    inspectorElement.setAttribute('style', getInspectorStyles());
-    var inspectorElementTagNameLabel = document.createElement('span');
-    inspectorElementTagNameLabel.innerHTML = "Focused element type: ";
-    var inspectorElementTagName = document.createElement('span');
-    inspectorElementTagName.setAttribute('id', INSPECTOR_TAGNAME_FIELD_ID);
-    var listElement = document.createElement('ul');
-    listElement.setAttribute('id', INSPECTOR_TAG_ATTRIBUTE_LIST_ID);
-    inspectorElement.appendChild(inspectorElementTagNameLabel);
-    inspectorElement.appendChild(inspectorElementTagName);
-    inspectorElement.appendChild(listElement);
-    document.querySelector('body').appendChild(inspectorElement);
-    window.Inspector.isDisplayed = true;
-};
+const createAndAppendInspector = () => {
+    let inspectorElement = document.createElement('div')
+    inspectorElement.setAttribute('id', INSPECTOR_ELEMENT_ID)
+    inspectorElement.setAttribute('style', getInspectorStyles())
+    let inspectorElementTagNameLabel = document.createElement('span')
+    inspectorElementTagNameLabel.innerHTML = "Focused element type: "
+    let inspectorElementTagName = document.createElement('span')
+    inspectorElementTagName.setAttribute('id', INSPECTOR_TAGNAME_FIELD_ID)
+    let listElement = document.createElement('ul')
+    listElement.setAttribute('id', INSPECTOR_TAG_ATTRIBUTE_LIST_ID)
+    inspectorElement.appendChild(inspectorElementTagNameLabel)
+    inspectorElement.appendChild(inspectorElementTagName)
+    inspectorElement.appendChild(listElement)
+    document.querySelector('body').appendChild(inspectorElement)
+    window.Inspector.isDisplayed = true
+}
 
-var toggleInspectorPosition = function (event) {
+const toggleInspectorPosition = event => {
     if (event && event.key === P_KEY) {
-        window.Inspector.inspectorPosition = (window.Inspector.inspectorPosition + 1) % INSPECTOR_POSITIONS.length;
-        var inspectorElement = document.getElementById(INSPECTOR_ELEMENT_ID);
-        inspectorElement.setAttribute('style', getInspectorStyles());
+        window.Inspector.inspectorPosition = (window.Inspector.inspectorPosition + 1) % INSPECTOR_POSITIONS.length
+        let inspectorElement = document.getElementById(INSPECTOR_ELEMENT_ID)
+        inspectorElement.setAttribute('style', getInspectorStyles())
     }
 };
 
-var toggleDisplay = function(event) {
+const toggleDisplay = event => {
     if (event && event.key === I_KEY) {
-        var inspectorElement = document.querySelector('#'+INSPECTOR_ELEMENT_ID);
+        let inspectorElement = document.querySelector(`#${INSPECTOR_ELEMENT_ID}`)
         if (window.Inspector.isDisplayed) {
-            inspectorElement.style.display = 'none';
+            inspectorElement.style.display = 'none'
         }
         else {
-            inspectorElement.style.display = 'block';
+            inspectorElement.style.display = 'block'
         }
-        window.Inspector.isDisplayed = !window.Inspector.isDisplayed;
+        window.Inspector.isDisplayed = !window.Inspector.isDisplayed
     }
 };
 
-var getAttributesListMarkup = function (DOMNode) {
+const getAttributesListMarkup = (DOMNode) => {
 
-    var createAttributeListItem = function (attributeName, attributeValue) {
-        var listItemElement = document.createElement('li');
-        var attributeNameElement = document.createElement('span');
-        attributeNameElement.innerText = attributeName + ": ";
-        var attributeValueElement = document.createElement('span');
+    const createAttributeListItem = (attributeName, attributeValue) => {
+        let listItemElement = document.createElement('li')
+        let attributeNameElement = document.createElement('span')
+        attributeNameElement.innerText = `${attributeName} : `
+        let attributeValueElement = document.createElement('span')
         
         if (attributeName.indexOf('describedby') > 0 || attributeName.indexOf('labelledby') > 0) {
             // Get the contents of the elements its referencing
-            var referencedElement = document.getElementById(attributeValue);
-            attributeValueElement.innerText = "#" + attributeValue + "'s contents which are: \"" + referencedElement.innerText + "\"";
+            let referencedElement = document.getElementById(attributeValue)
+            attributeValueElement.innerText = `#${attributeValue}'s contents which are: "${referencedElement.innerText}"`
         }
         else {
-            attributeValueElement.innerText = attributeValue;
+            attributeValueElement.innerText = attributeValue
         }
         
-        listItemElement.appendChild(attributeNameElement);
-        listItemElement.appendChild(attributeValueElement);
-        return listItemElement;
+        listItemElement.appendChild(attributeNameElement)
+        listItemElement.appendChild(attributeValueElement)
+        return listItemElement
     }
 
-    var listElement = document.createElement('ul');
-    var attributesToDisplay = DOMNode.getAttributeNames().filter(function(attributeName) {
-        return attributeName.indexOf('aria') >= 0;
+    let listElement = document.createElement('ul')
+    let attributesToDisplay = DOMNode.getAttributeNames().filter(function(attributeName) {
+        return attributeName.indexOf('aria') >= 0
     });
     
-    for (var index in attributesToDisplay) {
-        var attributeName = attributesToDisplay[index];
-        listElement.appendChild(createAttributeListItem(attributeName, DOMNode.getAttribute(attributeName)));
+    for (let index in attributesToDisplay) {
+        let attributeName = attributesToDisplay[index]
+        listElement.appendChild(createAttributeListItem(attributeName, DOMNode.getAttribute(attributeName)))
     }
-    return listElement;
+    return listElement
 };
 
-var updateInspectorContentsFromFocusin = function (event) {
+const updateInspectorContentsFromFocusin = event => {
     if (event && event.target) {
-        var element = event.target;
-        var tagNameField = document.querySelector('#'+INSPECTOR_TAGNAME_FIELD_ID);
+        let element = event.target
+        let tagNameField = document.querySelector(`#${INSPECTOR_TAGNAME_FIELD_ID}`)
         if (tagNameField) {
-            tagNameField.innerHTML = element.tagName;
-            var attributeListElement = getAttributesListMarkup(element);
-            var tagAttributeListElement = document.querySelector('#'+INSPECTOR_TAG_ATTRIBUTE_LIST_ID);
-            tagAttributeListElement.innerHTML = attributeListElement.innerHTML;
+            tagNameField.innerHTML = element.tagName
+            let attributeListElement = getAttributesListMarkup(element)
+            let tagAttributeListElement = document.querySelector(`#${INSPECTOR_TAG_ATTRIBUTE_LIST_ID}`)
+            tagAttributeListElement.innerHTML = attributeListElement.innerHTML
         }
     }
 };
 
-var initializeKeyBindings = function () {
-    document.addEventListener('keyup', toggleInspectorPosition);
-    document.addEventListener('keyup', toggleDisplay);
-    document.addEventListener('focusin', updateInspectorContentsFromFocusin);
-}
-
 // Yassss, window globals </3
 window.Inspector = {
     isDisplayed: false,
@@ -117,5 +114,9 @@ window.Inspector = {
     toggleDisplay: toggleDisplay,
     inspectorPosition: INSPECTOR_POSITION_BOTTOM,
     updateInspectorContentsFromFocusin: updateInspectorContentsFromFocusin,
-    initializeKeyBindings: initializeKeyBindings
+    initializeKeyBindings: () => {
+        document.addEventListener('keyup', toggleInspectorPosition);
+        document.addEventListener('keyup', toggleDisplay);
+        document.addEventListener('focusin', updateInspectorContentsFromFocusin);
+    }
 };
\ No newline at end of file
diff --git a/src/main.js b/src/main.js
index 0a40577..af7622d 100644
--- a/src/main.js
+++ b/src/main.js
@@ -1,8 +1,8 @@
 // Initialization
 // DOM Manipulation
-Inspector.createAndAppendInspector();
-FocusHandler.createAndAppendStyleTag();
+Inspector.createAndAppendInspector()
+FocusHandler.createAndAppendStyleTag()
 
 // Key bindings
-Inspector.initializeKeyBindings();
-FocusHandler.initializeKeyBindings();
\ No newline at end of file
+Inspector.initializeKeyBindings()
+FocusHandler.initializeKeyBindings()
\ No newline at end of file