.doc-contain {
  color: #303133;
  padding: 54px 54px 86px 54px;
  height: calc(100vh - 140px);
  overflow-y: scroll;
  .paragraph {
    margin: 20px 0;
    .example {
      border: 1px solid #e5e7eb;
      border-radius: 5px;
    }
    .sample {
      
      padding: 20px 10px 20px 10px;
      border-bottom: solid 1px #e5e7eb;
    }
    p {
      font-size: 16px;
      font-weight: 400;
    }
    .mk {
      background-color: #DAECFF;
      border-radius: 5px;
      color: #303133;
    }
  }
}