CSS让图片实现的透明效果

jzxue.jpg大家可以找个图片试一下效果

<style type="text/css"> 

img { 

    opacity: .75; /* Standard: FF gt 1.5, Opera, Safari */
     filter: alpha(opacity=75); /* IE lt 8 */
     -ms-filter: "alpha(opacity=75)"; /* IE 8 */
     -khtml-opacity: .75; /* Safari 1.x */
    -moz-opacity: .75; /* FF lt 1.5, Netscape */

}

 </style> 
   

<img src="jzxue.jpg">