<demo>

### Customized description

Customized description content.

```jsx live
<>
  <Loader tip="Loading...">
    <Alert
      title="Alert message title"
      type="info">
      Further details about the context of this alert.
    </Alert>
  </Loader>
  <br/>
  <br/>
  <Loader tip="Loading..." vertical>
    <Alert
      title="Alert message title"
      type="info">
      Further details about the context of this alert.
    </Alert>
  </Loader>
</>
```

</demo>
