Fix default hero text color

Author: SychO9

Diff for: less/forum/Hero.less

@@ -4,6 +4,7 @@
   margin: 15px auto 0;
   max-width: @screen-desktop-hd;
   border-radius: @border-radius;
+  color: @control-color;
 
   @media @desktop {
     max-width: @screen-desktop;