<Button>button</Button>
<Button type="default">default</Button>
<Button type="primary">primary</Button>
<Button type="info">info</Button>
<Button type="success">success</Button>
<Button type="warning">warning</Button>
<Button type="error">error</Button>

<Button elevation="1">elevation1</Button>
<Button elevation="2">elevation2</Button>
<Button :elevation="3">elevation3</Button>
<Button elevation="4">elevation4</Button>
<Button elevation="5">elevation5</Button>

<Button disabled>disabled</Button>
<Button :disabled="true">disabled</Button>