nanocss.scss

// Colors
$navy:		#001f3f;
$blue:		#0074D9;
$aqua:		#7FDBFF;
$teal:		#39CCCC;
$olive:		#3D9970;
$green:		#2ECC40;
$lime:		#01FF70;
$yellow:	#FFDC00;
$orange:	#FF851B;
$red:		#FF4136;
$maroon:	#85144b;
$fuchsia:	#F012BE;
$purple:	#B10DC9;
$black:		#212121;
$gray:		#AAAAAA;
$silver:	#DDDDDD;
$white:		#FFFFFF;

/* CSS Reset */

html {
	box-sizing: border-box;
	font-size: 16px;
	font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif
}
  
*, *:before, *:after {
	box-sizing: inherit;
}
  
body, h1, h2, h3, h4, h5, h6, p, ol, ul {
	margin: 0;
	padding: 0;
	font-weight: normal;
}

/* Lists */

ul {
	list-style: circle inside;
}

ol {
	list-style: decimal inside;
}

li {
	margin-bottom: .5rem;
}

li > ul, li > ol {
	margin: 1rem 0 1rem 1rem;
}
  
img {
	max-width: 100%;
	height: auto;
}

body {
	line-height: 1;
	color: $black;
}

// Headers
h1 {font-size: 48px; line-height: 58px}
h2 {font-size: 40px; line-height: 50px}
h3 {font-size: 32px; line-height: 42px}
h4 {font-size: 28px; line-height: 38px}
h5 {font-size: 24px; line-height: 34px}
h6 {font-size: 20px; line-height: 30px}

/* Forms and buttons */

input:not([type=submit]):not([type=reset]):not([type=button]):not([type=checkbox]):not([type=radio]),
optgroup,
select,
textarea {
	font-family: inherit;
	font-size: 100%;
	margin: 0;
	margin-bottom: 1rem;
	background: #FFFFFF;
	padding: .2rem .4rem;
	color: $black;
	border: 1px solid $gray;
	border-radius: .2rem;
	display: block;
	transition: border-color 0.2s ease;
	width: 100%;

	&:focus {
		border-color: $blue;
	}

	&:disabled {background-color: $silver}

	&:invalid {
		border: 1px solid $red;
		box-shadow: none;
	}
}

label, legend {
	display: block;
	margin-bottom: .5rem;
}

input:not([type=radio]):not([type=checkbox]), select, button {
	height: 2rem;
	display: inline-block;
}

input:not([type=radio]):not([type=checkbox]) {
	height: 2rem;
	display: inline-block;
	-webkit-appearance: none;
}

fieldset {
	border: 1px solid $silver;
	border-radius: .2rem;
}

/* Buttons */

button, *[type=submit], *[type=reset] {
	background-color: $blue;
	border-radius: .1rem;
	color: $white;
	padding: 0 2rem;
	display: inline-block;
	border: 0;
	transition: background-color .3s ease;

	&:hover {
		background-color: $aqua;
	}
}

a {
	color: $blue;
	text-decoration: none;
	transition: color .5s ease;
	&:hover {color: $black}
}

/* Tables */

table {
	width: 100%;
	border-collapse: collapse;
	table-layout: fixed;
	margin: 10px 0;

	td, th {
		padding: 5px;
		line-height: 150%;
		border-top: 1px solid $gray;
		border-bottom: 1px solid $gray;
		text-align: left;
	}
}

/* Blockquote and pre */

blockquote, pre {
	font-family: monospace;
	background-color: $black;
	color: $gray;
	border-radius: 3px;
	padding: 1rem;
	margin: 0;
}

pre {
	white-space: pre-wrap;
}

ul, ol, p, table, blockquote, form, blockquote, pre, video, audio, fieldset {
	margin-bottom: 1.5rem;
}

video, audio {
	width: 100%;
	max-width: 1280px;
	height: auto;
	display: block;
}

audio {
	max-width: 640px;
}