.background-no-repeat{background-repeat:no-repeat}.background-repeat{background-repeat:repeat}.background-repeat-x{background-repeat:repeat-x}.background-repeat-y{background-repeat:repeat-y}.background-round{background-repeat:round}.background-space{background-repeat:space}.background-center{background-position:50%}.background-top{background-position:top}.background-bottom{background-position:bottom}.background-left{background-position:0}.background-right{background-position:100%}.background-top-left{background-position:0 0}.background-top-right{background-position:100% 0}.background-bottom-left{background-position:0 100%}.background-bottom-right{background-position:100% 100%}.background-size-auto{background-size:auto}.background-size-cover{background-size:cover}.background-size-contain{background-size:contain}