Adding class "well"

plugin/follow_buttons/template.tpl

@@ -1,8 +1,8 @@
+<div class="well">
 <!-- AddThis Button BEGIN -->
 {if !empty($follow_buttons.message)}
     <h3>{$follow_buttons.message}</h3>
 {/if}
-
 <div class="addthis_toolbox addthis_32x32_style addthis_default_style">
     {if !empty($follow_buttons.facebook)}
         <a class="addthis_button_facebook_follow" addthis:userid="{$follow_buttons.facebook}"></a>
@@ -30,4 +30,5 @@
     {/if}    
 </div>
 <script type="text/javascript" src="http://s7.addthis.com/js/250/addthis_widget.js#pubid=ra-4f69d7995360186c"></script>
-<!-- AddThis Button END -->
+<!-- AddThis Button END -->
+</div>

plugin/share_buttons/index.php

@@ -4,10 +4,9 @@
  * @package chamilo.plugin.share_buttons
  */
 
-echo '
+echo '<div class="well">
 <!-- AddThis Button BEGIN -->
 <div class="addthis_toolbox addthis_default_style addthis_32x32_style">
-<a class="addthis_button_preferred_1"></a>
 <a class="addthis_button_preferred_2"></a>
 <a class="addthis_button_preferred_3"></a>
 <a class="addthis_button_preferred_4"></a>
@@ -15,4 +14,5 @@ echo '
 <a class="addthis_counter addthis_bubble_style"></a>
 </div>
 <script type="text/javascript" src="http://s7.addthis.com/js/250/addthis_widget.js#pubid=xa-4f69d6f847541385"></script>
-<!-- AddThis Button END -->';
+<!-- AddThis Button END -->
+</div>';