During the system installing, the "skip" button displays abnormal after expanded the detail installing information.

During the system installing, the "skip" button displays abnormal after expanded the detail installing information.
1. Normal installing interface: The "Skip" button displays correctly
2. When the "skip" button show, expand the detail installing information: The "Skip" button displays correctly
3. Close the detail installing information to back to the Normal installing interface: The "Skip" button disappeared

Steps:
1. Install Ubuntukylin utopic OS
2. During the installing, when the "skip" button show,click the icon at the left side of the page, expand the detail information page
3. Check the status of "Skip" button
4. Close the detail installing information page, check the status of "Skip" button
-->Failed. The "Skip" button disappear

Configuration:
PC: Dell Vostro
OS: Ubuntukylin utopic Beta1

系统安装过程中，“跳过”按钮在展开详细安装信息后显示异常。
正常安装过程，“跳过”按钮显示
点击展开详细安装信息后，“跳过”按钮显示
点击收回详细安装信息后，“跳过”按钮消失

步骤：
1. 安装Ubuntukylin utopic Beta1系统
2. 在安装过程中，出现“跳过”按钮的页面，点击跳过左边的按钮展开详细安装信息
3. 再次点击该按钮
-->Failed. 跳过按钮消失