Added Grayscale credits head

css/grayscale.scss

@@ -4,6 +4,12 @@
 @import "variables";
 @import "mixins";
 
+/*!
+ * Start Bootstrap - Grayscale Bootstrap Theme (http://startbootstrap.com)
+ * Code licensed under the Apache License v2.0.
+ * For details, see http://www.apache.org/licenses/LICENSE-2.0.
+ */
+
 body {
     width: 100%;
     height: 100%;
@@ -73,7 +79,6 @@ a {
             outline: none;
         }
     }
-
     .navbar-brand {
         font-weight: 700;
         &:focus {
@@ -225,8 +230,8 @@ ul.social-buttons li a {
     font-size: 20px;
     line-height: 40px;
     outline: 0;
-  background-color: #222;
     color: $social-buttons-color;
+    background-color: #222;
 
     -webkit-transition: all .3s;
     -moz-transition: all .3s;