--- order: 1 title: zh-CN: 自定义样式 en-US: Custom style --- ## zh-CN 可以自定义置顶按钮的样式,限制宽高:`40px * 40px`。 ## en-US You can customize the style of the button, just note the size limit: no more than `40px * 40px`. ````jsx import { BackTop } from 'antd'; const style = { height: 40, width: 40, lineHeight: '40px', borderRadius: 4, backgroundColor: '#57c5f7', color: '#fff', textAlign: 'center', fontSize: 20, }; ReactDOM.render(