.container_mz{
    width:600px;
    height:900px;
    margin:20px auto 0px auto;
    border:10px solid #333;
    -moz-box-shadow:1px 1px 12px #000;
    -webkit-box-shadow:1px 1px 12px #000;
    box-shadow:1px 1px 12px #000;
}

.wrap{
    width:100px;
    height:100px;
    margin:0px;
    overflow:hidden;
    position:relative;
    float:left;
}
.wrap a img  {
    border:none;
    position:absolute;   
    top:-66.5px;
    left:-150px;
    height:200px;
    opacity: 0.5;
    -moz-opacity: 0.5;
    filter:progid:DXImageTransform.Microsoft.Alpha(opacity=50);
}