Docs: Resize feeds image (#1485)

* Docs: Resize feeds image

* Docs : Move changes to main file

* Fixed formatting

docs/sass/_base.scss

@@ -18,6 +18,11 @@ body {
   min-height: 100vh;
 }
 
+img {
+  max-width: 100%;
+  height: auto;
+}
+
 a {
   color: $link-color;
   text-decoration: none;
@@ -90,4 +95,4 @@ p code, li code {
   border-radius: 5px;
   font-size: 0.85rem;
   box-shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 1px rgba(0,0,0,.1), 0 2px 1px -1px rgba(0,0,0,.12);
-}
+}

docs/sass/_normalize.scss

@@ -9,7 +9,7 @@
  *    IE on Windows Phone and in iOS.
  */
 
-html {
+ html {
   line-height: 1.15; /* 1 */
   -ms-text-size-adjust: 100%; /* 2 */
   -webkit-text-size-adjust: 100%; /* 2 */
@@ -444,4 +444,4 @@ template {
 
 [hidden] {
   display: none;
-}
+}