Changed to <kbd> (key/button) appearance.

css/custom.sass

@@ -92,6 +92,7 @@ $notetip: #9d9
     background-image: url(../images/tip.png)
 
 kbd
+    display: inline-block
     color: #333
     background-color: white
     text-align: center
@@ -102,13 +103,14 @@ kbd
     -moz-border-radius: 4px
     -webkit-border-radius: 4px
     border-radius: 4px
-    padding-left: 1px
-    padding-top: 0px
+    padding-left: 2px
+    padding-top: 2px
     padding-right: 2px
-    padding-bottom: 0px
+    padding-bottom: 2px
     margin-left: 2px
     margin-right: 2px
-    vertical-align: top
+    vertical-align: middle
+    line-height: 1em
     font-family: sans-serif
 
 #page_meta