适应各种内核浏览器的透明修过样式

[selector] {
filter: alpha(opacity=50); /* internet explorer */
-khtml-opacity: 0.5; /* khtml, old safari */
-moz-opacity: 0.5; /* mozilla, netscape */
opacity: 0.5; /* fx, safari, opera */
}

转载于:https://www.cnblogs.com/huangf714/p/5899109.html