Issue #272 Fixed color contrast

public/stylesheets/sass/application.sass

@@ -114,7 +114,7 @@ header
     :bottom 1px solid #ccc
 
   a
-    :color #999
+    :color #CCC
 
     &:hover
       :background none
@@ -768,12 +768,12 @@ h1.big_text
 
         :padding 3px 8px
           :bottom 3px
-        :color #999
+        :color #CCC
 
         &:hover
           :background
             :color #4e4e4e
-          :color #ccc
+          :color #eee
 
       &.selected a
         :-webkit-border-radius 5px 5px 0 0