diff --git a/components/dropdown/index.md b/components/dropdown/index.md
index 13db8872b8..933a5d36c8 100644
--- a/components/dropdown/index.md
+++ b/components/dropdown/index.md
@@ -20,7 +20,7 @@
 |-------------|------------------|--------------------|--------------|
 | trigger     | 触发下拉的行为   | ['click'] or ['hover'] | ['hover']        |
 | overlay     | 菜单节点         | [Menu](/components/menu) | 无     |
-
+| getPopupContainer | 菜单渲染父节点。默认渲染到 body 上，如果你遇到菜单滚动定位问题，试试修改为滚动的区域，并相对其定位。[示例](http://codepen.io/anon/pen/ONjyba?editors=001) | Function(triggerNode) | () => document.body |
 
 菜单可由 `antd.Menu` 取得，可设置 `onSelect` 回调，菜单还包括菜单项 `antd.Menu.Item`，分割线 `antd.Menu.Divider`。
 
diff --git a/components/form/Form.jsx b/components/form/Form.jsx
index b282928d9b..3825fb22e7 100644
--- a/components/form/Form.jsx
+++ b/components/form/Form.jsx
@@ -29,15 +29,15 @@ export default class Form extends React.Component {
   }
 
   render() {
-    const { prefixCls, className } = this.props;
+    const { prefixCls, className, style } = this.props;
     const formClassName = classNames({
-      [className]: !!className,
       [`${prefixCls}-horizontal`]: this.props.horizontal,
       [`${prefixCls}-inline`]: this.props.inline,
+      [className]: !!className,
     });
 
     return (
-      <form {...this.props} className={formClassName}>
+      <form {...this.props} className={formClassName} style={style}>
         {this.props.children}
       </form>
     );
diff --git a/components/form/FormItem.jsx b/components/form/FormItem.jsx
index 5d556cd8d9..0c4c0de521 100644
--- a/components/form/FormItem.jsx
+++ b/components/form/FormItem.jsx
@@ -187,6 +187,7 @@ export default class FormItem extends React.Component {
   renderFormItem(children) {
     const props = this.props;
     const prefixCls = props.prefixCls;
+    const style = props.style;
     const itemClassName = {
       [`${prefixCls}-item`]: true,
       [`${prefixCls}-item-with-help`]: !!this.getHelpMsg(),
@@ -194,7 +195,7 @@ export default class FormItem extends React.Component {
     };
 
     return (
-      <div className={classNames(itemClassName)}>
+      <div className={classNames(itemClassName)} style={style}>
         {children}
       </div>
     );
diff --git a/components/input-number/index.jsx b/components/input-number/index.jsx
index 753bbfa5f9..8eb6010951 100644
--- a/components/input-number/index.jsx
+++ b/components/input-number/index.jsx
@@ -11,8 +11,8 @@ export default class InputNumber extends React.Component {
   render() {
     const { className, size, ...other } = this.props;
     const inputNumberClass = classNames({
-      'ant-input-number-lg': size === 'large',
-      'ant-input-number-sm': size === 'small',
+      [`${this.props.prefixCls}-lg`]: size === 'large',
+      [`${this.props.prefixCls}-sm`]: size === 'small',
       [className]: !!className,
     });
 
diff --git a/components/popover/index.md b/components/popover/index.md
index c64b6532ad..def27a85f5 100644
--- a/components/popover/index.md
+++ b/components/popover/index.md
@@ -26,3 +26,4 @@
 | prefixCls | 浮层的类名                        | string        | ant-popover   |
 | visible   | 用于手动控制浮层显隐                     | boolean       | false  |
 | onVisibleChange | 显示隐藏改变的回调                 | function      | 无     |
+| getTooltipContainer | 菜单渲染父节点。默认渲染到 body 上，如果你遇到菜单滚动定位问题，试试修改为滚动的区域，并相对其定位。[示例](http://codepen.io/anon/pen/ONjyba?editors=001) | Function(triggerNode) | () => document.body |
diff --git a/components/queue-anim/demo/form.md b/components/queue-anim/demo/form.md
index 2b82e8210a..c44e3e2092 100644
--- a/components/queue-anim/demo/form.md
+++ b/components/queue-anim/demo/form.md
@@ -7,7 +7,8 @@
 ---
 
 ````jsx
-import { QueueAnim, Button, Checkbox, Radio } from 'antd';
+import { QueueAnim, Button, Radio, Input, Form, Row, Col } from 'antd';
+const FormItem = Form.Item;
 const RadioGroup = Radio.Group;
 
 const Test = React.createClass({
@@ -22,54 +23,37 @@ const Test = React.createClass({
     });
   },
   render() {
+    const formItemLayout = {
+      labelCol: { span: 6 },
+      wrapperCol: { span: 14 },
+    };
     return (
       <div>
         <p className="buttons">
           <Button type="primary" onClick={this.onClick}>切换</Button>
         </p>
-        <QueueAnim component="form" className="ant-form-horizontal" type="bottom" leaveReverse>
+        <QueueAnim component={Form} className="ant-form ant-form-horizontal" type="bottom" leaveReverse>
           {this.state.show ? [
-            <div className="ant-form-item ant-form-item-compact" key="name">
-              <label htmlFor="userName" className="col-6" required>用户名：</label>
-              <div className="col-6">
-                <p className="ant-form-text">大眼萌 minion</p>
-              </div>
-            </div>,
-            <div className="ant-form-item" key="password">
-              <label htmlFor="password" className="col-6" required>密码：</label>
-              <div className="col-14">
-                <input className="ant-input" type="password" id="password" placeholder="请输入密码" />
-              </div>
-            </div>,
-            <div className="ant-form-item ant-form-item-compact" key="sex">
-              <label className="col-6" required>您的性别：</label>
-              <div className="col-14">
-                <RadioGroup value="male">
-                  <Radio value="male">男的</Radio>
-                  <Radio value="female">女的</Radio>
-                </RadioGroup>
-              </div>
-            </div>,
-            <div className="ant-form-item" key="remark">
-              <label htmlFor="remark" className="col-6" required>备注：</label>
-              <div className="col-14">
-                <textarea className="ant-input" id="remark" placeholder="随便写"></textarea>
-                <p className="ant-form-explain">随便写点什么</p>
-              </div>
-            </div>,
-            <div className="ant-form-item ant-form-item-compact" key="checkbox">
-              <div className="col-14 col-offset-6">
-                <label>
-                  <Checkbox />
-                  同意
-                </label>
-              </div>
-            </div>,
-            <div className="row" key="btn">
-              <div className="col-16 col-offset-6">
-                <Button type="primary">确定</Button>
-              </div>
-            </div>
+            <FormItem key="item1" {...formItemLayout} label="用户名：">
+              <p className="ant-form-text">大眼萌 minion</p>
+            </FormItem>,
+            <FormItem key="item2" {...formItemLayout} label="密码：">
+              <Input type="password" placeholder="请输入密码" />
+            </FormItem>,
+            <FormItem key="item3" {...formItemLayout} label="您的性别：">
+              <RadioGroup>
+                <Radio value="male">男的</Radio>
+                <Radio value="female">女的</Radio>
+              </RadioGroup>
+            </FormItem>,
+            <FormItem key="item4" {...formItemLayout} label="备注：">
+              <Input type="textarea" placeholder="随便写" />
+            </FormItem>,
+            <Row key="submit">
+              <Col span="16" offset="6">
+                <Button type="primary" htmlType="submit">确定</Button>
+              </Col>
+            </Row>,
           ] : null}
         </QueueAnim>
       </div>
diff --git a/components/queue-anim/demo/simple.md b/components/queue-anim/demo/simple.md
index c278890fee..57c74c2475 100644
--- a/components/queue-anim/demo/simple.md
+++ b/components/queue-anim/demo/simple.md
@@ -10,7 +10,7 @@
 import { QueueAnim } from 'antd';
 
 ReactDOM.render(
-  <QueueAnim delay={500}>
+  <QueueAnim delay={500} style={{ height: 150 }}>
     <div key="a">依次进场</div>
     <div key="b">依次进场</div>
     <div key="c">依次进场</div>
diff --git a/components/select/index.md b/components/select/index.md
index a8ab3278e2..86b0f3e724 100644
--- a/components/select/index.md
+++ b/components/select/index.md
@@ -43,6 +43,7 @@
 | size    | 选择框大小，可选 `large` `small`  | String      |      default      |
 | showSearch | 在下拉中显示搜索框 | boolean | false |
 | disabled | 是否禁用 | boolean | false |
+| getPopupContainer | 菜单渲染父节点。默认渲染到 body 上，如果你遇到菜单滚动定位问题，试试修改为滚动的区域，并相对其定位。[示例](http://codepen.io/anon/pen/ONjyba?editors=001) | Function(triggerNode) | () => document.body |
 
 ### Option props
 
diff --git a/style/mixins/button.less b/style/mixins/button.less
index cc9b90c035..e6b0237d9a 100644
--- a/style/mixins/button.less
+++ b/style/mixins/button.less
@@ -84,9 +84,6 @@
   .user-select(none);
   .transition(all .3s @ease-in-out);
   transform: translate3d(0, 0, 0);
-  // Fix for ie8 border-radius
-  // http://css3pie.com/documentation/known-issues/#z-index
-  position: relative\0;
 
   > .@{iconfont-css-prefix} {
     line-height: 1;