Update page width

Author: jeehoonkang

assets/styles.scss

@@ -7,7 +7,7 @@ styles: true
 
 @media screen and (min-width: 40em) {
   .content {
-    width: 90%; } }
+    width: 100%; } }
 
 @media (max-width: 550px) {
     .big-container {display: none;}