Create header.scss

Author: ajefts

assets/css/layout/header.scss

@@ -472,7 +472,7 @@
 
     // Topcoder logo
     .logo-link {
-      background: url(../../images/logo_topcoder.svg);
+      background: url(../../images/tc-logo-dad.png);
       width: 156px;
       height: 54px;
       margin: 0;