在这个新的样式范围中，我们保留前景色和背景色不变，但是把字体样式设为粗体。

In these new style ranges, we leave the foreground and background colors unchanged but set the font style to bold.

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最常见的更改可能是页面标题和工具栏区域的背景色和字体。

The most common changes are probably going to be background color and fonts for the page title and toolbar area.

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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。

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.

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