执行css3 tranlate效果时,如果div有zoom,则图片会模糊。
原因有以下三种原因:
- Scaling a div stretches the pixels and not adding more.
- background-size: contain; Ensures you that your background-image is fully showen
- The div never change size.
具体请看
http://stackoverflow.com/questions/6975725/background-image-blurry-when-scaling-on-ipad-and-iphone
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