div+css固定于浏览器_html/css_WEB-ITnose

#bottomNav { background-color:#096; z-index:999; position:fixed; bottom:0; left:0; width:100%; _position:absolute; /* for IE6 */  _top: expression(documentElement.scrollTop + documentElement.clientHeight-this.offsetHeight); /* for IE6 */ overflow:visible; }  

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