.wallpaper0 { background-image: url('wallpapers/beton1.jpg'); }
.wallpaper1 { background-image: url('wallpapers/beton2.jpg'); }
#wallpaper0 { background-image: url('wallpapers/beton1.jpg'); }
#wallpaper1 { background-image: url('wallpapers/beton2.jpg'); }