.mbl {
    background-color: rgba(255, 255, 255, .3);
    backdrop-filter: blur(3px);
    border-left: 2px solid rgba(255, 255, 255, .3);
    border-top: 2px solid rgba(255, 255, 255, .3);
    box-shadow: 2px 2px 10px rgba(0, 0, 0, .2);
}

.dh {

    width: 48px;
    background-color: rgba(255, 255, 255, .3);

    position: fixed;
    top: 30px;
    left: 5px;
    display: inline-block;
}

.dh-content {
    display: none;
    position: absolute;
    min-width: 48px;

}

.dh-content li {

    border-radius: 20px;
    margin-top: 2px;
    box-shadow: 0px 3px 6px 0px rgba(0, 0, 0, 0.2);
    margin-bottom: 2px;

}