Clean up

app/assets/stylesheets/common.css.scss

@@ -97,9 +97,9 @@ abbr, acronym {
 /* Default rules for the body of every page */
 
 * {
-  -moz-box-sizing: border-box;
   -webkit-box-sizing: border-box;
-  box-sizing: border-box;
+     -moz-box-sizing: border-box;
+          box-sizing: border-box;
 }
 
 body {
@@ -139,15 +139,6 @@ small, aside {
   font-size: 12px;
 }
 
-h1:first-child,
-h2:first-child,
-h3:first-child,
-h4:first-child,
-h5:first-child,
-h6:first-child {
-  margin-top: 0;
-}
-
 .column-1 {
   width: 50%;
   margin: 0 0 $lineheight/2 0;
@@ -168,10 +159,6 @@ h6:first-child {
   background:transparent image-url("sprite.png") no-repeat 0 0;
   text-indent:-9999px;
   overflow:hidden;
-  }
-
-.icon-pre-text {
-    margin-right: 5px;
 }
 
 .icon.search      { background-position: 0 0; }
@@ -381,10 +368,6 @@ nav.primary {
     color: #ccc;
     cursor: default;
 
-    &:hover {
-      text-decoration: none;
-    }
-
     .caret {
       border-top-color: #ccc;
     }
@@ -582,7 +565,6 @@ nav.secondary {
   width: 40px;
   background-color: #333;
   background-color: rgba(0,0,0,.6);
-  -bottom: 1px solid #333; 
   border-radius: 4px 0 0 4px;
   margin-bottom: 10px;
   outline: none;
@@ -1842,7 +1824,7 @@ a.button {
   *[value="Hide"] + input:nth-child(2):not(:last-child),
   *[value="Hide"] + .button:nth-child(2):not(:last-child) {
     border-radius:2px 0 0 2px;
-    border-right-width: 1px solid white;
+    border-right-width: 1px;
   }
 }