You'll also learn how to set up the Sprite using some basic CSS techniques (CSS background Sprite and CSS text image replacement).

同时你也会学习到应用基础CSS的技巧CSS背景图片翻转。

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The background attribute loads the sprite and then sets the background position to 336 pixels over - it must be negative.

背景属性载入精灵图片，然后设置背景图位置为负值（其必为负）。

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It can produce background information, which makes it support MPEG-4 Sprite coding.

它能够生成背景信息，支持MPEG - 4的精灵编码。

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