revert Tab's monospace font change as it screws up property value styling and looks like crap in a lot of places

Author: John Daggett

default.css

@@ -52,11 +52,6 @@ pre {
 	margin-bottom: 1em;
 }
 
-pre, code {
-	font-family: "DejaVu Sans Mono", "Consolas", "Andale Mono", monospace !important; 
-	font-size: .9em;
-}
-
 img {
 	border-style: none;
 	color: white;