panel类将把元素的边界设为设备框的大小,添加10个像素的填充,并且设置页面的背景颜色和条纹。
The panel class sets the element's border to the size of the device box, adds 10 pixels of padding, and puts the background color and pinstripes on the page.
panel类将把元素的边界设为设备框的大小,添加10个像素的填充,并且设置页面的背景颜色和条纹。
The panel class sets the element's border to the size of the device box, adds 10 pixels of padding, and puts the background color and pinstripes on the page.
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