纯css实现的搜索图标（1）

<div class="search icon"></div>
css:
.search.icon {
  color: #000;
  position: absolute;
  margin-top: 2px;
  margin-left: 3px;
  width: 12px;
  height: 12px;
  border: solid 1px #999;
  border-radius: 100%;
  -webkit-transform: rotate(-45deg);
          transform: rotate(-45deg);
}
.search.icon:before {
  content: '';
  position: absolute;
  top: 12px;
  left: 5px;
  height: 6px;
  width: 1px;
  background-color: #999;
}