CSS 适用于所有浏览器，IE，Firefox，Opera，Safari和Google Chrome的透明度设置的简单CSS代码

Posted 2021-05-23

.transparent_class {
	filter:alpha(opacity=50);    /* ie  */
	-moz-opacity:0.5;    /* old mozilla browser like netscape  */
	-khtml-opacity: 0.5;    /* for really really old safari */
	opacity: 0.5;    /* css standard, currently it works in most modern browsers like firefox,  */
}