diff --git a/build/less/bootstrap-social.less b/build/less/bootstrap-social.less
index ebfdcbb56..069d9c0bc 100644
--- a/build/less/bootstrap-social.less
+++ b/build/less/bootstrap-social.less
@@ -1,13 +1,12 @@
 /*
- * Plugin: Social Buttons
- * ----------------------
+ * Social Buttons for Bootstrap
+ *
+ * Copyright 2013-2015 Panayiotis Lipiridis
+ * Licensed under the MIT License
+ *
+ * https://github.com/lipis/bootstrap-social
  */
 
-// Copyright 2013-2014 Panayiotis Lipiridis
-// Licensed under the MIT License
-//
-// https://github.com/lipis/bootstrap-social
-
 @bs-height-base: (@line-height-computed + @padding-base-vertical * 2);
 @bs-height-lg:   (floor(@font-size-large * @line-height-base) + @padding-large-vertical * 2);
 @bs-height-sm:   (floor(@font-size-small * 1.5) + @padding-small-vertical * 2);
@@ -15,41 +14,41 @@
 
 .btn-social {
   position: relative;
-  padding-left: @bs-height-base + @padding-base-horizontal!important;
+  padding-left: (@bs-height-base + @padding-base-horizontal);
   text-align: left;
   white-space: nowrap;
   overflow: hidden;
   text-overflow: ellipsis;
-  :first-child {
+  > :first-child {
     position: absolute;
     left: 0;
     top: 0;
     bottom: 0;
-    width: @bs-height-base!important;
-    line-height: (@bs-height-base + 2)!important;
-    font-size: 1.6em!important;
+    width: @bs-height-base;
+    line-height: (@bs-height-base + 2);
+    font-size: 1.6em;
     text-align: center;
     border-right: 1px solid rgba(0, 0, 0, 0.2);
   }
   &.btn-lg {
-    padding-left: @bs-height-lg + @padding-large-horizontal!important;
-    :first-child {
+    padding-left: (@bs-height-lg + @padding-large-horizontal);
+    > :first-child {
       line-height: @bs-height-lg;
       width: @bs-height-lg;
       font-size: 1.8em;
     }
   }
   &.btn-sm {
-    padding-left: @bs-height-sm + @padding-small-horizontal!important;
-    :first-child {
+    padding-left: (@bs-height-sm + @padding-small-horizontal);
+    > :first-child {
       line-height: @bs-height-sm;
       width: @bs-height-sm;
       font-size: 1.4em;
     }
   }
   &.btn-xs {
-    padding-left: @bs-height-xs + @padding-small-horizontal!important;
-    :first-child {
+    padding-left: (@bs-height-xs + @padding-small-horizontal);
+    > :first-child {
       line-height: @bs-height-xs;
       width: @bs-height-xs;
       font-size: 1.2em;
@@ -62,7 +61,7 @@
   height: (@bs-height-base + 2);
   width: (@bs-height-base + 2);
   padding: 0;
-  :first-child {
+  > :first-child {
     border: none;
     text-align: center;
     width: 100%!important;
@@ -87,21 +86,29 @@
   }
 }
 
-.btn-social(@color-bg, @color: white) {
+.btn-social(@color-bg, @color: #fff) {
   background-color: @color-bg;
-  .button-variant(@color, @color-bg, rgba(0, 0, 0, 0.2));
+  .button-variant(@color, @color-bg, rgba(0,0,0,.2));
 }
 
 
+.btn-adn           { .btn-social(#d87a68); }
 .btn-bitbucket     { .btn-social(#205081); }
 .btn-dropbox       { .btn-social(#1087dd); }
 .btn-facebook      { .btn-social(#3b5998); }
 .btn-flickr        { .btn-social(#ff0084); }
-.btn-foursquare    { .btn-social(#0072b1); }
+.btn-foursquare    { .btn-social(#f94877); }
 .btn-github        { .btn-social(#444444); }
-.btn-google-plus   { .btn-social(#dd4b39); }
+.btn-google        { .btn-social(#dd4b39); }
 .btn-instagram     { .btn-social(#3f729b); }
 .btn-linkedin      { .btn-social(#007bb6); }
+.btn-microsoft     { .btn-social(#2672ec); }
+.btn-openid        { .btn-social(#f7931e); }
+.btn-pinterest     { .btn-social(#cb2027); }
+.btn-reddit        { .btn-social(#eff7ff, #000); }
+.btn-soundcloud    { .btn-social(#ff5500); }
 .btn-tumblr        { .btn-social(#2c4762); }
 .btn-twitter       { .btn-social(#55acee); }
-.btn-vk            { .btn-social(#587ea3); }
\ No newline at end of file
+.btn-vimeo         { .btn-social(#1ab7ea); }
+.btn-vk            { .btn-social(#587ea3); }
+.btn-yahoo         { .btn-social(#720e9e); }