/*
    Screen lock layer
*/
.screen-lock-layer {
    top: 0;
    left: 0;
    position: fixed;
    width: 0px;
    height: 0px;
    background-color: transparent;
    z-index: 9999;
    opacity: 0.5;
    color: #000;
    transition: background-color 1s;
}
.screen-lock-active {
    width: 100%;
    height: 100%;
}