web网页,设置div 宽度为1024px 在谷歌浏览器下显示正常,在火狐和欧朋下整个网页都被放大了,102px的宽度被放大到了1280px,如何写能使在火狐和欧朋下保持1024px的宽度
<meta charset="UTF-8">
<meta name="Generator" content="EditPlus®">
<meta name="Author" content="">
<meta name="Keywords" content="">
<meta name="Description" content="">
<title>Document</title>
<style type="text/css">
.br{border:1px solid red;
width:1024px;
height:400px;
margin:0 auto;
}
</style>
</head>
<body>
<div class="br"></div>
</body>
</html>