div 绝对定位

div绝对居下

 1 .Phone2title{ 2 width:100%;  3 height:30px; 4 line-height:30px; 5 /*text-align:left;*/  6 /*background-color:RGB(239,101,25);*/  7 background-color:#b81c22; 8 position:fixed;  9 _position:absolute;  10 *position:absolute; 11 top:0px;12 color:white;  13 font-size:18px;14 z-index:99999;15 /*border:1px blue solid;*/16 17 /*_top:exPRession(document.documentElement.clientHeight + document.documentElement.scrollTop - this.offsetHeight);*/  18 vertical-align: middle;19 }

<div class="Phone2title"></div>

div绝对居上

 1 .Phone2title{ 2 width:100%;  3 height:30px; 4 line-height:30px; 5 /*text-align:left;*/  6 /*background-color:RGB(239,101,25);*/  7 background-color:#b81c22; 8 position:fixed;  9 _position:absolute;  10 *position:absolute; 11 top:0px;12 color:white;  13 font-size:18px;14 z-index:99999;15 /*border:1px blue solid;*/16 17 /*_top:expression(document.documentElement.clientHeight + document.documentElement.scrollTop - this.offsetHeight);*/  18 vertical-align: middle;19 }