/*

Theme Name: JRM Resources theme
Author: JAZ
Author URI: http://www.jaz.com.au
Description: Custom Theme developed for JRM Resources based on the Bootstrap framework
Version: 2.0

*/

#og-grid > li > a > img {
   position: absolute;
  left: 50%;
  top: 50%;
  height: 100%;
  width: auto;
  -webkit-transform: translate(-50%,-50%);
      -ms-transform: translate(-50%,-50%);
          transform: translate(-50%,-50%); 
}