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Instead of using opacity, set a background-color with rgba, where ‘a‘ is the level of transparency.
So instead of:
background-color: rgb(0,0,255); opacity: 0.5;
use
background-color: rgba(0,0,255,0.5);
I do not want to inherit the child opacity from the parent in CSS(不想让子元素继承父元素的透明度)
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原文地址：http://www.cnblogs.com/voctrals/p/5075374.html
