Let background-x repeat
Let background-x repeat

rthbound/WhatIoIsIt,rthbound/WhatMoonIsIt,rthbound/WhatEuropaIsIt,rthbound/WhatJupiterIsIt,rthbound/WhatSunriseIsIt,rthbound/WhatCallistoIsIt,rthbound/WhatGanymedeIsIt,rthbound/WhatSunsetIsIt,rthbound/WhatVenusIsIt,rthbound/WhatMercuryIsIt,rthbound/WhatMarsIsIt