Correct active state appearance. Fix necolas#5

Author: necolas

gh-buttons.css

@@ -40,13 +40,14 @@ http://github.com/necolas/css3-github-buttons
 
 .button:hover,
 .button:focus,
-.button:active {
+.button:active,
+.button.active {
     border-color: #3072b3;
     border-bottom-color: #2a65a0;
     text-decoration: none; 
     text-shadow: -1px -1px 0 rgba(0,0,0,0.3); 
     color: #fff; 
-    background-color: #3072b3;
+    background-color: #3C8DDE;
     background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#599bdc), to(#3072b3));
     background-image: -moz-linear-gradient(#599bdc, #3072b3);
     background-image: -o-linear-gradient(#599bdc, #3072b3);
@@ -57,7 +58,6 @@ http://github.com/necolas/css3-github-buttons
 .button.active {
     border-color: #2a65a0;
     border-bottom-color: #3884CF;
-    color: #fff; 
     background-color: #3072b3;
     background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#3072b3), to(#599bdc));
     background-image: -moz-linear-gradient(#3072b3, #599bdc);