lex
/
classroom-instruments


			
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<html lang="zh-CN">


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

  .bgImg {
    width: 23.75vw;
  }

  .btnImg {
    width: 15vw;
    position: absolute;
    left: 50%;
    margin-left: -7.5vw;
    bottom: 1.61458vw;
    cursor: pointer;
  }

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    top: 141px;
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    margin-left: -288px;
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  }

  .subMsg {
    margin-top: 1.66667vw;
    font-size: 1.14583vw;
    line-height: 1.5625vw;
    color: #777;
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  .subBtn {
    width: 12.03125vw;
    height: 3.22917vw;
    background: #198CFE;
    border-radius: 0.9375vw;
    border: none;
    font-size: 1.14583vw;
    font-weight: 600;
    color: #FFFFFF;
    line-height: 1.5625vw;
    cursor: pointer;
    margin-top: 1.66667vw;
    list-style: none outside none;
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</style>
<!-- 按钮 https://gyt.ks3-cn-beijing.ksyuncs.com/basic/1688699779209.png -->
<!-- 背景 https://gyt.ks3-cn-beijing.ksyuncs.com/basic/1688699993534.png -->

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