.href-icon {
    width: 50px;
}

#wrapper {
    position: absolute;
    width: 100%;
    height: 100%;
}

.content {
    position: relative;
    z-index: 100;
}

.background {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -100;
}