Fix docs mobile version

sass/components/media.sass

@@ -1,6 +1,12 @@
 @import "../utilities/mixins.sass"
 @import "../utilities/variables.sass"
 
+.media-number,
+.media-left,
+.media-right
+  flex-grow: 0
+  flex-shrink: 0
+
 .media-number
   background-color: $background
   border-radius: 290486px
@@ -8,15 +14,11 @@
   font-size: $size-medium
   height: 32px
   line-height: 24px
+  margin-right: 10px
   min-width: 32px
   padding: 4px 8px
   text-align: center
   vertical-align: top
-  // Responsiveness
-  +mobile
-    margin-bottom: 10px
-  +tablet
-    margin-right: 10px
 
 .media-left
   margin-right: 10px

sass/components/nav.sass

@@ -14,6 +14,8 @@ $nav-height: 50px !default
 .nav-item
   align-items: center
   display: flex
+  flex-grow: 0
+  flex-shrink: 0
   justify-content: center
   padding: 10px
   a

sass/layout/hero.sass

@@ -148,4 +148,4 @@
       display: flex
       & > .container
         flex-grow: 1
-        flex-shrink: 0
+        flex-shrink: 1