.upload-container{position:relative;height:50px;overflow:hidden;cursor:pointer}.upload-trigger{top:0;z-index:1}.upload-trigger,.upload-zone{float:left;height:50px;display:block;position:relative;left:0;width:300px;cursor:pointer}.upload-zone{clear:both;top:-50px;margin:0;opacity:0;z-index:2}