.stopScroll { margin: 0; height: 100%; overflow: hidden; }

div#dark_room {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /* background: #010618b0; */
    /* background: black; */
    background: url(//crimea-school.ru/files/img/galaxy2.jpg) no-repeat center;
    background-size: cover;
    z-index: 598;
}
div#dark_room img {
    position: absolute;
    top: 50%;
    left: 50%;
    margin: -256px 0 0 -256px;
}
div#dark_room div {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    background: url(//crimea-school.ru/files/img/garlands.png) no-repeat;
    background-position-y: 35px;
    background-position-x: right;
}
div#cordswitch {
    position: fixed;
    top: 0;
    right: 50px;
    width: 20px;
    height: 200px;
    background: url(//crimea-school.ru/files/img/pullswitch1.png) no-repeat;
    background-size: cover;
    background-position-y: -20px;
    transition:background-position 1s ease;
    cursor: grab;
    z-index: 599;
    filter: drop-shadow(5px 5px 5px #444);
}
div#cordswitch:hover {
    background-position-y: 0px;
}