Add GitHub-style disable class. Fix necolas#4

necolas · necolas · commit 1a1decc603db · 2011-05-03T18:40:00.000+01:00
diff --git a/gh-buttons.css b/gh-buttons.css
@@ -286,6 +286,12 @@ http://github.com/necolas/css3-github-buttons
     border-radius: 50em; 
 }
 
+/* ............................................................................................................. Disable */
+
+.button.disable {
+    opacity: 0.5;
+}
+
 /* ............................................................................................................. Big */
 
 .button.big {
