#gala {
    position: relative;
    width: 95%;
    min-height: 300px;
    margin: 0 auto 0 auto;
    padding: 0;
    z-index: 1;
}

#galamenu1 {
    position: absolute;
    text-align: center;
    top: 0;
    left: 0;
    width: 5em;
    padding-top: 0.4em;
    padding-bottom: 0.4em;
    /* background-color: rgba( 0, 0, 255, 0.2); */
}

#galamenu2 {
    position: absolute;
    text-align: center;
    top: 0;
    left: 5em;
    width: 5em;
    padding-top: 0.4em;
    padding-bottom: 0.4em;
    /* background-color: rgba( 0, 255, 255, 0.2); */
}

#galacontent {
    position: absolute;
    left: 0;
    max-height: 23em;
    width: 100%;
    border-style: solid;
    border-width: 1%;
    background-color: rgba( 0, 0, 0, 0.6);
    border-color: black;
    overflow-y: scroll;
}

#galacontent img {
    float: left;
    width: 19%;
    margin: 0.5%
}

#gross {
    position: absolute;
    z-index: 99;
    top: 0;
    left: 0;
    text-align: center;
    width: 100%;
    height: 0;
    overflow: hidden;
    background-color: rgba( 0, 0, 0, 0.6);
    transition: height 1s;
}

#gross.aktiv {
    position: absolute;
    height: 100%;
    background-color: rgba( 0, 0, 0, 0.6);
}

#gross img {
    height: 100vmin;
}

#gross #bedienoverlay {
    position: absolute;
    z-index: 199;
    padding: 0;
    margin-left: auto;
    text-align: center;
    background-color: rgba( 0, 0, 0, 0.6);
    height: 2em;
    width: 7em;
    margin-left: calc( 100%/2 - 3.5em);
    margin-top: calc( 0.7vw - 3em);
}

#bedienoverlay img {
    margin: 0;
    height: 2em;
    width: 2em;
    cursor: pointer;
}