Fixes incoherences on small screens

less/import/components.less

@@ -64,14 +64,6 @@ code {
                 color: @light;
             }
         }
-
-        @media (max-width: 767px) {
-            padding: 6px 10px; .navbar-text {
-                line-height: 16px;
-                margin: 12px 6px;
-                font-size: 12px;
-            }
-        }
     }
 
     @media (min-width: 768px) and (max-width: 979px) {

less/import/structure.less

@@ -211,8 +211,11 @@ html, body {
 
 .content-area, .article-tree {
     overflow: auto;
-    height: 100%;
     padding: 0px;
+
+    @media (min-width: 767px) {
+        height: 100%;
+    }
 }
 
 //mobile friendly sub-nav