纯CSS写的对勾样式

& .cicle{
          position: relative;
          float: right;
          margin-right: -1rem;
          vertical-align: middle;
          width: 1.4rem;
          height: 1.4rem;
          border: 1px solid #3399ff;
          border-radius: 50%;
        }
        & .select:after {
          content: '\00a0';
          display: inline-block;
          border: 2px solid #3399ff;
          border-top-width: 0;
          border-right-width: 0;
          width: 9px;
          height: 5px;
          -webkit-transform: rotate(-50deg);
          position: absolute;
          top:3px;
          left:2px;
        }