html,body {
    height: 100%;
}

.wcid-alert{
    height: calc( 100% - 54px );
    min-height: calc( 100% - 54px );
    vertical-align: middle;
    text-align: center;
    position: relative;
}

.wcid-element{
    position: absolute;
    top:0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    width: 80%;
    height:50px;
    /*line-height:50px;*/
    text-align:center;
}