Made the font family cover the whole sheet.

Dan wants us to use sans-serif fonts. I added a $sansFontFamily to the body element under //ELEMENT STYLES. It achieves the desired affect without screwing up anything as far as I noticed. Tilgovi, is this correct?

h/css/sidebar.scss

@@ -16,6 +16,7 @@ body {
   height: 100%;
   position: fixed;
   width: 100%;
+  font-family: $sansFontFamily;
 }
 
 svg { -webkit-tap-highlight-color: rgba(255, 255, 255, 0); }