在firefox下出现水平滚动条的问题，请复制代码在firefox下调试。求各种高手帮忙，在线等。
<html>
<head>
<style>
.container
{overflow:scroll;
}
.colheader {clear:both;position:absolute;z-index:999;border-right:1px solid #000000;left:59px;filter:progid:DXImageTransform.Microsoft.Gradient(GradientType=1,StartColorStr=#ecf9fd,EndColorStr=#dbe6f2);}
.colheader div {clear:right;float:left;height:23;border-left:1px solid #000;border-top:1px solid #000;text-align:center;}
.cwqy7{width:457px}
.cwkpl{width:99px}
.cwc6o{width:102px}
.cwh96{width:100px}
.rowheader {width:50px;position:absolute;z-index:999;height:600px;background-color:#d2dbf1;}
.rowheader div {border-left:1px solid #000;border-right:1px solid #000;border-top:1px solid #000;text-align:center;}
.rhhw7{height:22px}
.content {position:absolute;z-index:999;top:38px;left:59px; border-bottom:1px solid #000;border-right:1px solid #000;}
.row {clear:both;}
.row div {clear:right;float:left;overflow:hidden;text-overflow:ellipsis;}
.ds{;background-color:white;color:black;font-style:normal;font-size:14;font-family :宋体;;text-align:center;vertical-align:middle;;border-left:1px solid black;border-top:1px solid black;;width:100px;height:23px;}.df{;background-color:white;color:black;font-style:normal;font-size:14;font-family :宋体;;text-align:center;vertical-align:middle;;}.combine {position:absolute;z-index:999;background-color:#fff;}
.lcak{border-left:1px none #000000;border-top:1px none #000000;border-bottom:1px none #000000;border-right:1px none #000000;}
</style>
</head>
<body>
<div class="container">
<div class="colheader">
<div class="cwqy7">A</div><div class="cwkpl">B</div><div class="cwkpl">C</div><div class="cwkpl">D</div><div class="cwkpl">E</div><div class="cwkpl">F</div><div class="cwkpl">G</div><div class="cwkpl">H</div><div class="cwkpl">I</div><div class="cwkpl">J</div><div class="cwkpl">K</div><div class="cwc6o">L</div><div class="cwh96">M</div></div>
<div class="rowheader">
<div style="height:23px"></div><div class="rhhw7">1</div><div class="rhhw7">2</div></div>
<div class="content">
<div class="combine lcak" style="top:44px;left:655px;width:199px;height:89px;">
</div>
<div class="row">
</div>
</body>
</html>
[解决办法]
期待高手的解决，看了老半也没有找到两个浏览器怎么调！