不要なトップマージンを取得し続け、それを削除することはできません. 私のhtmlを助けてください：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Joy The Designert</title>
<link href="style1.css" rel="stylesheet" type="text/css" />
</head>
<body topmargin=0 marginheight=0>
<div id="Wrapper">
<div id="topBanner"><div class="container"><h2>top banner content</h2></div></div>
<div id="nav"><div class="container">Navigation Text<?include ("navigation.php");?></div></div>
<div id="featured"><div class="container"></div></div>
<div id="info"><div class="container">test</div></div>
<div id="support"><div class="container">test</div></div>
<div id="footer"><div class="container">testing footer<?include ("footer.php");?></div></div>
</div>
</body>
</html>
そして、私のcssコンテンツは次のとおりです。
@charset "utf-8";
/* CSS Document */
html {
margin:!important 0px;
padding:0px;
}
body {
margin-top:!important 0px;
margin-left:0px;
margin-right:0px;
margin-botton:0px;
padding:0px;
border:none;
color: #292929;
font-family: Arial,Helvetica,sans-serif;
font-size: 81.25%;
}
#wrapper {
margin:0px;
Width:1000px;
height:auto;
}
.container {
width:900px;
margin:auto;
}
#topBanner{
background-image:url(images/scr_gray-bkgd.png);
background-repeat:repeat-x;
height:44px;
width:100%;
}
#nav{
height:72px;
width:100%;
padding
color:#666666;
background-color: #F5F5F5;
border-bottom: 1px solid #FFFFFF;
box-shadow: 0 -5px 5px #5A595D;
color: #666666;
font-weight: bold;
height: 72px;
}
#featured {
min-height:420px;
width:100%;
background: url(none) no-repeat scroll center top #ECECEC;
border-bottom: 1px solid #FFFFFF;
}
#info{
background: url(images/gradient-bg.png);
background-repeat:repeat-x;
height: 256px;
width: 100%;
}
#support{
background-color: #F5F5F5;
border-top: 1px solid #FFFFFF;
box-shadow: 0 5px 5px #5A595D;
height:55px;
width:100%;
}
#footer{
width:100%;
height:150px;
background-image:url(images/scr_gray-bkgd.png);
background-repeat:repeat;
}