#hardware.cover-bg {
    background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('/theme/images/cover/hardware-bg.jpg');
}

#library.cover-bg {
    background-image: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)), url('/theme/images/cover/library-bg.jpg');
}

#broadcast.cover-bg {
    background-image: url('/theme/images/cover/broadcast-bg.jpg');
}