Mobile UI fixes

Author: Thibaut

assets/stylesheets/components/_mobile.scss

@@ -4,6 +4,7 @@
 
 ._mobile {
   font-size: 100%;
+  background: $contentBackground;
 
   ._hide-on-mobile { display: none; }
 
@@ -107,6 +108,14 @@
     max-width: none;
     margin-left: 0;
   }
+
+  // Search Aliases
+
+  ._aliases {
+    display: block;
+
+    > table { width: 100%; }
+  }
 }
 
 //