.list-1 li a .mask-1, 
.list-1 li a .mask-2,
.hover .mask{display:none;}
.list-1 li a {background:url(images/marker-1-ie.png) 1px 5px no-repeat;background-color: #4C98DF;}
.list-1 li a:hover {background-position:1px -48px;}
.hover .mask-ie{background:url(images/img-marker.png) center center no-repeat #fff;cursor:pointer;bottom: 50%;left: 50%;right: 50%;top: 50%;opacity: 0;position: absolute;z-index:3;margin:4px;}
.gradient {filter: none;}