ant-design/components/back-top/demo/custom.md
偏右 aca2656721
fix: ⬆️ BackTop not working in iframe (#22788)
* docs: 🎬 improve BackTop demo

* fix Backtop not working in iframe

* fix lint

* fix ci

* fix ci

*  add more test case

*  add more test cases

* fix ci
2020-04-01 17:38:21 +08:00

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876 B
Markdown

---
order: 1
iframe: 400
title:
zh-CN: 自定义样式
en-US: Custom style
---
## zh-CN
可以自定义回到顶部按钮的样式,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: '#1088e9',
color: '#fff',
textAlign: 'center',
fontSize: 14,
};
ReactDOM.render(
<div style={{ height: '600vh', padding: 8 }}>
<div>Scroll to bottom</div>
<div>Scroll to bottom</div>
<div>Scroll to bottom</div>
<div>Scroll to bottom</div>
<div>Scroll to bottom</div>
<div>Scroll to bottom</div>
<div>Scroll to bottom</div>
<BackTop>
<div style={style}>UP</div>
</BackTop>
</div>,
mountNode,
);
```