jquery: Update "Also in" link styles for better usability

The links are more obvious and the "Also in" text has better contrast now.

Fixes jquery/api.jquery.com#1222
Closes gh-480

Author: aldimar-junior

themes/jquery/css/base.css

@@ -1970,7 +1970,7 @@ footer .books li a cite {
 
 .entry-meta,
 .entry-posted {
-	color: #999;
+	color: #666;
 	font-size: 12px;
 }
 
@@ -2042,11 +2042,6 @@ footer .books li a cite {
 	border-radius: 5px;
 }
 
-.listing #content .entry-meta .category a {
-	color: #888;
-	text-decoration: none;
-}
-
 .pagination {
 	text-align: center;
 	margin-top: 2em;