<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style>
      body{background: #081f46;}
      .m-chart4-num{position: relative; width: 40px;height: 30px;text-align: center;line-height: 30px; font-family: FZLTTHK--GBK1, FZLTTHK--GBK1;font-weight: normal;font-size: 14px;color: #FFFFFF;background: rgba(255,255,255,0.3);overflow: hidden;}
      .m-chart4-num-left{position: absolute;top: 0;left: -4px;width: 10px;height: 35px; background: #081f46;transform: rotate(-10deg);}
      .m-chart4-num-right{position: absolute;top: 0;right: -4px;width: 10px;height: 35px; background: #081f46;transform: rotate(10deg);}
    </style>
  </head>

  <body>
    <div class="m-chart4-num">
      <div class="m-chart4-num-left"></div>
      01
      <div class="m-chart4-num-right"></div>
    </div>  </body>
</html>

css等腰梯形_前端