.el-grp__montage {
    position: relative;
    width: 47.5rem;
    height: 47.5rem;
    margin-left: auto;
    margin-right: auto;
    // -webkit-transform: translate(-50%,-50%);
    // transform: translate(-50%,-50%);
    // pointer-events: none;
    // -webkit-perspective: 1000px;
    // perspective: 1000px;
}
.el-grp__montage__layer {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    will-change: transform;
}
.el-grp__montage__layer__el {
    position: absolute;
    will-change: transform;
    transform: scale(.9);
}
img.el-grp__montage__layer__el {
    transform: scale(1);
}