[css] 用css画出一把刻度尺

<div class='ruler'>
 <div class='cm'>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 </div>
 <div class='cm'>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 </div>
 <div class='cm'>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 </div>
 <div class='cm'>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 </div>
 <div class='cm'>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 </div>
 <div class='cm'>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 </div>
 <div class='cm'>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 </div>
 <div class='cm'>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 </div>
 <div class='cm'>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 </div>
 <div class='cm'>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 <div class='mm'></div>
 </div>
 <div class='cm'></div>
</div>
<div id="mentionme">
  by <a href="https://www.linkedin.com/in/artur-arsalanov-ab3a6895" target="_blank" title="Find me in  LinkedIn!">ArturArsalanov</a>
</div>

.ruler {
 position: relative;
 width: 70%;
 margin: 20px auto;
 height: 14px;
}
.ruler .cm,
.ruler .mm {
 position: absolute;
 border-left: 1px solid #555;
 height: 14px;
 width: 10%;
}
.ruler .cm:after {
 position: absolute;
 bottom: -15px;
 font: 11px/1 sans-serif;
}
.ruler .mm {
 height: 5px;
}
.ruler .mm:nth-of-type(5) {
 height: 10px;
}
.ruler .cm:nth-of-type(1) {
 left: 0%;
}
.ruler .cm:nth-of-type(1):after {
 content: "0";
}
.ruler .cm:nth-of-type(2) {
 left: 10%;
}
.ruler .cm:nth-of-type(2):after {
 content: "1";
}
.ruler .cm:nth-of-type(3) {
 left: 20%;
}
.ruler .cm:nth-of-type(3):after {
 content: "2";
}
.ruler .cm:nth-of-type(4) {
 left: 30%;
}
.ruler .cm:nth-of-type(4):after {
 content: "3";
}
.ruler .cm:nth-of-type(5) {
 left: 40%;
}
.ruler .cm:nth-of-type(5):after {
 content: "4";
}
.ruler .cm:nth-of-type(6) {
 left: 50%;
}
.ruler .cm:nth-of-type(6):after {
 content: "5";
}
.ruler .cm:nth-of-type(7) {
 left: 60%;
}
.ruler .cm:nth-of-type(7):after {
 content: "6";
}
.ruler .cm:nth-of-type(8) {
 left: 70%;
}
.ruler .cm:nth-of-type(8):after {
 content: "7";
}
.ruler .cm:nth-of-type(9) {
 left: 80%;
}
.ruler .cm:nth-of-type(9):after {
 content: "8";
}
.ruler .cm:nth-of-type(10) {
 left: 90%;
}
.ruler .cm:nth-of-type(10):after {
 content: "9";
}
.ruler .cm:nth-of-type(11) {
 left: 100%;
}
.ruler .cm:nth-of-type(11):after {
 content: "10";
}
.ruler .mm:nth-of-type(1) {
 left: 10%;
}
.ruler .mm:nth-of-type(2) {
 left: 20%;
}
.ruler .mm:nth-of-type(3) {
 left: 30%;
}
.ruler .mm:nth-of-type(4) {
 left: 40%;
}
.ruler .mm:nth-of-type(5) {
 left: 50%;
}
.ruler .mm:nth-of-type(6) {
 left: 60%;
}
.ruler .mm:nth-of-type(7) {
 left: 70%;
}
.ruler .mm:nth-of-type(8) {
 left: 80%;
}
.ruler .mm:nth-of-type(9) {
 left: 90%;
}
.ruler .mm:nth-of-type(10) {
 left: 100%;
}
#mentionme{  
  text-align:center;
  margin-top:10%;
}

个人简介

我是歌谣，欢迎和大家一起交流前后端知识。放弃很容易，
但坚持一定很酷。欢迎大家一起讨论

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