#closer {
    height: 100%;
    width: 100%;
    position: fixed;
    background-color: rgba(0, 0, 0, 0.8);
    top: 0;
    left: 0;
    display: none;
    z-index: 3;
}
#_1 {
    position: relative;
}
#img {
    position: absolute;
    margin: auto;
    left: 0;
    top: 0;
    right: 0;
}
.shut2 {
    height: 30px;
    width: 30px;
    float: right;
}