.rtop,.rbottom{display:block}

.rtop *,.rbottom *{display:block; height:1px; overflow: hidden}

.r1{margin: 0 6px}

.r2{margin: 0 5px}

.r3{margin: 0 4px}

.r4{margin: 0 2px}

.r5{margin: 0 2px}

.r6{margin: 0 1px}

.r7{margin: 0 1px}

.r8{margin: 0 0px}











.rs1{margin: 0 2px}

.rs2{margin: 0 1px}