.galerie{
    width:100%;
    height:auto;
    display: inline-block;
    float: left;
    align-self: normal;
    color:white;
    font-size: 1.3rem;
}
.galerie:hover .G_arr{
    opacity: 1;
}
.G_active{
    width:100%;
    height:100%;
    background-color: hsla(0, 0%, 15%, 1);
    top: 0;
    position: relative;
    text-align: center;
    overflow: hidden;
}
.darkness{
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: black;
    transition: 0.5s;
    opacity: 0.7;
    pointer-events: none;
}
.G_darkness{
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: black;
    transition: 0.5s;
    opacity: 0;
    pointer-events: none;
    transition: .5s;
}
.G_darkness_active{
    opacity: 0;
}
.G_arr{
    position: absolute;
    height: 100%;
    display: flex;
    cursor: pointer;
    transition: 0.3s;
    flex-wrap: wrap;
    align-content: center;
    opacity: 0;
}

.G_A_view{
    display: block;
    margin: 0;
    padding: 0;
    width: calc(300%);
    transition: 0.5s;
}
.G_A_photo{
    background-position: center;
    width: calc(100% / 3);
    height: 100%;
    display: inline-block;
    float: left;
}
.G_thumbnail{
    width:10%;
    height: 100px;
    background-color: blue;
    display: inline-block;
    float:left;
    margin: 0;
    padding: 0;
}