clean up labels per #1656

docs/assets/css/bootstrap.css

@@ -3050,11 +3050,11 @@ a.thumbnail:hover {
   padding: 9px;
 }
 .label {
-  padding: 1px 3px 2px;
-  font-size: 9.75px;
+  padding: 2px 4px 3px;
+  font-size: 11.049999999999999px;
   font-weight: bold;
   color: #ffffff;
-  text-transform: uppercase;
+  text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.25);
   background-color: #999999;
   -webkit-border-radius: 3px;
   -moz-border-radius: 3px;

less/labels.less

@@ -2,11 +2,11 @@
 // ------
 
 .label {
-  padding: 1px 3px 2px;
-  font-size: @baseFontSize * .75;
+  padding: 2px 4px 3px;
+  font-size: @baseFontSize * .85;
   font-weight: bold;
   color: @white;
-  text-transform: uppercase;
+  text-shadow: 0 -1px 0 rgba(0,0,0,.25);
   background-color: @grayLight;
   .border-radius(3px);
 }