#app{
    background: #272822;
    height: 100vh;
    color: #fff;
  }
  
  .el-main {
    background-color: #272822;
  }
  
  .form_item {
    font-size: 16px;
  }
  .form_item .el-form-item__label{
    font-size: 16px;
    color: #fff;
  }
  
  .form-title {
    padding-top: 20px;
    font-weight: bold;
    font-size: 30px;
    text-align: center;
  }
  
  body > .el-container {
    margin-bottom: 40px;
  }