/*非ie浏览器可以识别*/
.img_xiaoguo{transition-duration: 0.3s;-moz-transition-duration: 0.3s; /* Firefox 4 */-webkit-transition-duration: 0.3s; /* Safari 和 Chrome */-o-transition-duration: 0.3s; /* Opera */}
.img_xiaoguo:hover{filter:alpha(opacity=80);opacity:0.8;}
.icons_content a:hover{margin-top:-3px;}
/*非ie浏览器可以识别*/