div.demo{width: 240px;margin: 12px auto;border: 1px solid #1987df;color:            inherit;background: #CEE7FF} div#outerbox{height: 70px;position: relative;display:table}            div#outerbox div{position: absolute;top: 50%;left: 0} div#outerbox p{position:            relative;top: -50%;margin: 4px;text-indent: 0; font-size:14px;} div#outerbox>div{display:table-cell;vertical-align:middle;position:static}                             
       
                    
        
                         
         
                    对于div中文字可以使其垂直居中,我要兼容IE和firefox!