## code

```
<h4>默认页面按钮：</h4>
<Button>默认页面按钮</Button>
<h4>按钮不可点击：</h4>
<Button disabled="disabled">默认页面按钮</Button>
<h4>按钮组：</h4>
<BtnGroup>
  <Button>按钮1</Button>
  <Button>按钮2</Button>
</BtnGroup>
<h4>按钮组：</h4>
<BtnGroup>
  <Button>按钮1</Button>
  <Button>按钮2</Button>
  <Button>按钮3</Button>
</BtnGroup>

<h4>按钮组：</h4>
<BtnGroup>
  <Button disabled>按钮1</Button>
  <Button disabled>按钮2</Button>
  <Button disabled>按钮3</Button>
</BtnGroup>
```