To achieve this effect we used CSS to change the background image of the banner, the icon next to the selected menu item, and the color of the bottom border.

为了实现这种效果，我们使用 CSS 改变广告条的背景图像、选择的菜单条目旁边的图标以及底边框的颜色。

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In this example, the bottom border line is to be deleted, so that gets erased with the -1 option. Specifying the fill option fills the boxes with the default color.

在这个示例中，使用- 1选项删除底部边框线。

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The top corners are a larger radius than those at the bottom and the border has a transparency that shows the underlying background and fades out towards the middle.

回顾下来看看，顶端的圆角要比下面的大，边线是在中部渐变透明的。

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The textured design is complimented nicely by a metal border on the top and bottom.

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So the bottom line is this: The southern border is more secure today than at any time in the past 20 years.

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