.big-file-icon .i-file{display:-moz-inline-box;display:inline-block;height:44px;vertical-align:middle;*vertical-align:auto;width:35px;*zoom:1;background-image:url(//iknow-zhidao.bdimg.com/static/search/widget/js/file/file-icon-big.64ef2b7.png);background-repeat:no-repeat;*display:inline}.big-file-icon .i-file-unknown{background-position:0 0}.big-file-icon .i-file-image{background-position:-50px 0}.big-file-icon .i-file-zip{background-position:-100px 0}.big-file-icon .i-file-exe{background-position:-150px 0}.big-file-icon .i-file-torrent{background-position:-200px 0}.big-file-icon .i-file-doc{background-position:-250px 0}.big-file-icon .i-file-xls{background-position:-300px 0}.big-file-icon .i-file-ppt{background-position:-350px 0}.big-file-icon .i-file-pdf{background-position:-400px 0}.big-file-icon .i-file-epub{background-position:-450px 0}.big-file-icon .i-file-txt{background-position:-500px 0}.big-file-icon .i-file-umd{background-position:-550px 0}.big-file-icon .i-file-ipa{background-position:-600px 0}.big-file-icon .i-file-apk{background-position:-650px 0}.big-file-icon .i-file-video{background-position:-700px 0}.big-file-icon .i-file-music{background-position:-750px 0}.big-file-icon .i-file-thunder{background-position:-800px 0}.big-file-icon .i-file-ed2k{background-position:-850px 0}