lex
/
classroom-instruments


			
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<html lang="zh-CN">


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  <title>老师端</title>
</head>
<style>
  body {
    background: #f1f5ff;
    width: 100%;
  }

  .bgImg {
    width: 456px;
  }

  .btnImg {
    width: 288px;
    position: absolute;
    left: 50%;
    margin-left: -144px;
    bottom: 31px;
    cursor: pointer;
  }

  /* .imgWrap {
    width: 456px;
    position: absolute;
    top: 141px;
    left: 50%;
    margin-left: -288px;
  } */

  .imgWrap {
    margin-top: 141px;
    text-align: center;
    /* width: 456px;
        position: absolute;
        top: 141px;
        left: 50%;
        margin-left: -288px;*/
  }

  .subMsg {
    margin-top: 32px;
    font-size: 22px;
    line-height: 30px;
    color: #777;
  }

  .subBtn {
    width: 231px;
    height: 62px;
    background: #198CFE;
    border-radius: 18px;
    border: none;
    font-size: 22px;
    font-family: PingFangSC-Semibold, PingFang SC;
    font-weight: 600;
    color: #FFFFFF;
    line-height: 30px;
    cursor: pointer;
    margin-top: 32px;
  }
</style>
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