.ng-pace>.pace-mask {
    position: fixed;
    z-index: 999;
    height: 100%;
    width: 100%;
    top:0;
    left:0;
    /*background: rgba(0,0,0, 0.4);*/
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

.ng-pace>.pace-mask.visble {
    display: none;
}