update switch demos

components/switch/demo/basic.md

@@ -17,3 +17,10 @@ ReactDOM.render(
   mountNode
 );
 ````
+
+<style>
+.ant-switch {
+  margin-bottom: 8px;
+  display: block;
+}
+<style>

components/switch/demo/disabled.md

@@ -23,8 +23,6 @@ const Test = React.createClass({
     return (
       <div>
         <Switch disabled={this.state.disabled} />
-        <br />
-        <br />
         <Button type="primary" onClick={this.toggle}>Toggle disabled</Button>
       </div>
     );

components/switch/demo/size.md

@@ -11,7 +11,6 @@ import { Switch } from 'antd';
 ReactDOM.render(
   <div>
     <Switch />
-    &nbsp;
     <Switch size="small" />
   </div>
 , mountNode);

components/switch/demo/text.md

@@ -10,7 +10,6 @@ import { Switch, Icon } from 'antd';
 
 ReactDOM.render(<div>
   <Switch checkedChildren="开" unCheckedChildren="关" />
-  <span> </span>
   <Switch checkedChildren={<Icon type="check" />} unCheckedChildren={<Icon type="cross" />} />
 </div>, mountNode);
 ````