Finally, we may wish to change the background color of the content assistant pop-up window to differentiate it from the additional information window.

最后，我们也许希望改变内容助理弹出窗口的背景色，以把它和附加信息窗口区别开来。

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When the link is selected, instead of just underlining it or changing its color, it should change the background color, even if the link is in the middle of a paragraph.

当链接被选中时，要能有相应的反馈，比如改变字体颜色、增加下划线、改变背景色等等，即使这个链接是附在图片上的。

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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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They did so against the background of grim predictions of climate change in the next century, including the possibility that the world's forests could themselves become producers rather than consumers of carbon dioxide.

BBC: Nature's turbulent year

Against this background, constitutional change had the estimable advantage of appearing radical but costing little.

ECONOMIST: New Labour��s gurus: Redesigning Britain’s constitution | The

Further, against today's background of collapsing dot.coms and cratering valuations for Internet ventures, Mr Centerman's change of course might jangle investors' nerves.

ECONOMIST: Face value