#enpro a:hover::before {
    width:100%;
    height:100%;
    min-height:250px;
    left:0;
    top:0;
    position:absolute;
    overflow:hidden;
    margin:0 auto;
    vertical-align:middle;
    text-align:center;
    background-color:rgba(255,255,255,.9);
    content: "";
    z-index: 1000;
    -webkit-transition:all 1.8s ease;
    -moz-transition:all 1.8s ease;
    -ms-transition:all 1.8s ease;
    -o-transition:all 1.8s ease;
    transition:all 1.8s ease;
}