With CSS, you can suggest a number of fonts, and cover as many bases as possible. But don't rely on a font being available regardless of how common it is.

使用CSS，你可以指定尽可能多的字体，同样，不要依赖它们，不管这种字体是多么普遍。

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If the size attribute is a number between 1 and 7, set the font to an arbitrary size.

如果size属性是1到7之间的数字，则将字体设置为任意大小。

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The font size also corresponds to a Fibonacci number.

字体的大小也对应于一个斐波那契数。

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