.rtop,.rbottom{display:block}
.rtop *,.rbottom *{display:block;height: 1px;overflow: hidden;}
.r1{margin: 0 5px;background-color: rgb(255, 255, 204);}
.r2{margin: 0 3px;background-color: rgb(255, 255, 204);}
.r3{margin: 0 2px;background-color: rgb(255, 255, 204);}
.r4{margin: 0 1px;height: 2px;background-color: rgb(255, 255, 204);}

.rs1{margin: 0 2px}
.rs2{margin: 0 1px}