#msr-grid .msr-grid-item{overflow:hidden;margin-bottom:4px;padding-left:2px!important;padding-right:2px!important;position:relative}#msr-grid .msr-grid-item .div_overlay{position:absolute;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,.5);opacity:0;-webkit-transition:opacity 0.3s;-moz-transition:opacity 0.3s;-ms-transition:opacity 0.3s;-o-transition:opacity 0.3s;transition:opacity 0.3s}#msr-grid .msr-grid-item:hover .div_overlay{opacity:1}