element-ui/examples/demo-styles/dropdown.scss

.demo-block {
  .el-dropdown {
    vertical-align: top;

    & + .el-dropdown {
      margin-left: 15px;
    }
  }
  .el-dropdown-link {
    cursor: pointer;
    color: #409eff;
  }
  .el-icon-arrow-down {
    font-size: 12px;
  }
}

.block-col-2 {
  margin: -24px;

  .el-col {
    padding: 30px 0;
    text-align: center;
    border-right: 1px solid #eff2f6;

    &:last-child {
      border-right: 0;
    }
  }
}

.demo-dropdown .demonstration {
  display: block;
  color: #8492a6;
  font-size: 14px;
  margin-bottom: 20px;
}