fixed: color bar not working correctly on smaller devices

src/_includes/sass/root.scss

···
 }
 
 @media only screen and (max-width: 320px) {
-    body {
+    .page-container {
         padding: 0 1em;
     }
 
···
 }
 
 @media only screen and (max-width: 800px) and (min-width: 321px) {
-    body {
+    .page-container {
         padding: 0 2em;
     }