* {
    overflow: hidden;
    padding: 0;
    margin: 0;
}

html,
body {
    height: 100%;
}

a {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

a>img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

span {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 84px;
    height: 84px;
    transform: translateX(-50%) translateY(-50%);
}

span svg {
    display: block;
    width: 100%;
}