.rtop,.rbottom{display:block}
.rtop *,.rbottom *{display:block;height: 1px;overflow: hidden}
.r1{margin: 0 12px}
.r2{margin: 0 9px}
.r3{margin: 0 8px}
.r4{margin: 0 6px}
.r5{margin: 0 5px}
.r6{margin: 0 4px;height: 2px}
.r7{margin: 0 3px}
.r8{margin: 0 2px;height: 2px}
.r9{margin: 0 1px;height: 4px}

.rs1{margin: 0 5px}
.rs2{margin: 0 3px}
.rs3{margin: 0 2px}
.rs4{margin: 0 1px;height: 2px}