code samples easier to see

Former-commit-id: f80e4bb1a6
Former-commit-id: cc30eb8d06

docs/stylesheets/example.css

@@ -380,13 +380,12 @@ a:hover {
 #example .example i.code {
   cursor: pointer;
   position: absolute;
-  height: 0px;
-  width: 0px;
-  overflow: hidden;
-  opacity: 0;
+  top: 0px;
+  right: 0px;
+  opacity: 0.2;
 
   font-size: 24px;
-  color: #888888;
+  color: #555555;
 
   -webkit-transition: opacity 0.3s ease-out;
   -moz-transition: opacity 0.3s ease-out;
@@ -395,12 +394,7 @@ a:hover {
   transition: opacity 0.3s ease-out;
 }
 #example .example:hover i.code {
-  height: auto;
-  width: auto;
-  overflow: visible;
-  opacity: 0.5;
-  top: 0px;
-  right: 5px;
+  opacity: 0.7;
 }
 #example .example:hover i.code:hover {
   opacity: 1;