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我在这里有一些非常基本的html和css，出于某种原因，我用我的css设置的图像作为背景图像没有垂直重复，或者如果它被这个空白区域覆盖，但她的主要问题是从我的图像不再垂直重复的那一点开始，有纯白色空间，我什至尝试设置#content2 的背景颜色，甚至覆盖它的空白。谁能看到我错过了什么？HTML：

<!DOCTYPE html>
<head>
<link href="index.css" rel="stylesheet" type="text/css" />
<title></title>
</head>

<body>
<div id="body">
<div id="wrap">

<!--header starts-->
<div id="header">
<div id="name">
<h1>Comp <span>any</span> Name</h1>
</div><!--end name-->   
<div id="nav"><br>
    <ol>
        <li><a href="programs.html">Our Programs</a></li>
        <li><a href="contact.html">Contact Us</a></li>
        <li><a href="about.html">About Us</a></li>
        <li><a href="index.html">Home</a></li>
    </ol>
</div><!--end nav-->
</div><!--end header-->
<!--header ends-->

<!--content1 starts-->
<div id="content1">
<img src="images/placeholder.png" width="400" height="323" alt="logo"> 
<div id="imgright">
<h2>What We Do</h2>
<p>"Lorem ipsum dolor sit amet, consectetur adipisicing 
    elit, sed do eiusmod tempor incididunt ut labore et 
    dolore magna aliqua. Ut enim ad minim veniam, 
    quis nostrud exercitation ullamco laboris nisi ut 
    aliquip ex ea commodo consequat. Duis aute irure 
    dolor in reprehenderit in voluptate velit esse 
    cillum dolore eu fugiat nulla pariatur. Excepteur sint 
    occaecat cupidatat non proident, sunt in culpa qui o
    fficia deserunt mollit anim id est laborum."</p>
<div id="button">
<h4>Request A Program</h4>
</div><!--end button-->
</div><!--end imgright-->
</div><!--end content1-->
<!--content1 ends-->

<!--content2 starts-->
<div id="content2">
<div id="one">
  <img src="images/arrow.png" width="16" height="14" alt="arrow1">
  <h3>Contact Us</h3>
  <p>"Lorem ipsum dolor sit amet, 
    consectetur adipisicing elit, sed do 
    eiusmod tempor incididunt ut labore 
    et dolore magna aliqua. Ut enim ad 
    minim veniam"</p> 
</div><!--end one-->

<div id="two">
  <img src="images/arrow.png" width="16" height="14" alt="arrow2"> 
  <h3>About Us</h3>
  <p>"Lorem ipsum dolor sit amet, 
    consectetur adipisicing elit, sed do 
    eiusmod tempor incididunt ut labore 
    et dolore magna aliqua. Ut enim ad 
    minim veniam"</p>
</div><!--end two-->

<div id="three">
  <img src="images/arrow.png" width="16" height="14" alt="arrow3"> 
  <h3> View Our Programs</h3>
  <p>"Lorem ipsum dolor sit amet, 
    consectetur adipisicing elit, sed do 
    eiusmod tempor incididunt ut labore 
    et dolore magna aliqua. Ut enim ad 
    minim veniam"</p>
</div><!--end three-->  
</div><!--end content2-->
<!--content2 ends-->

<!--footer starts-->
<div id="footer">
<h5>Insert some footer information, copyright information also</h5>    
</div>    <!--end footer-->
<!--footer ends-->
</div><!--end wrap-->
</div><!--end body-->
</body>
</html>

CSS：

@charset "utf-8";
/* CSS Document */

html, body{
margin:0;
padding:0;
}

#body{
background-image:url(images/background.jpg);
background-repeat:repeat;
margin-top:-25px;
padding:0;  
}
#wrap{
border-width:3px;
border-style:solid;
border-color:white;
width:1024px;
height:100%;
margin:0 auto;
padding-top:5px;
}

#header h1{
font-size:36px;
font-family: Terminal, Verdana, Geneva, sans-serif;
color: white;
}

span{
font-size:100px;
color:black;
font-family:brush script std, Verdana, Geneva, sans-serif;
}

#nav{
margin-top:-110px;
margin-bottom:75px;
margin-right:40px;
}

#nav ol {
margin: 0;
padding: 0;
list-style: none;
line-height: normal;
}

#nav li {
display: block;
float: right;
}

#nav a {
display: block;
float: left;
margin-right: 3px;
padding: 10px 20px;
text-decoration: none;
font: 24px "Trebuchet MS", Arial, Helvetica, sans-serif;
color: white;
}

#nav a:hover { 
text-decoration: none; 
color: black;
}

#content1 img{
margin-left:25px;
}

#imgright{
margin-left:445px;
margin-top:-389px;
}

#button h4{
font-family:"Times New Roman", Times, serif;
font-size:24px;
color:white;
}

h2{
font-family:"Times New Roman", Times, serif;
font-size:48px;
}

#imgright p{
color: white;
font-size:24px;
font-family: "Times New Roman", Times, serif;
margin-top:-30px;
margin-left:20px;
}

#content2{
background-color:#2e3192;
}

#one, #two, #three{width:341.3px;}

#one h3{
font-family:trajan pro, Verdana, Geneva, sans-serif;
color:white;
}
#one p{
font-family:vijaya, Verdana, Geneva, sans-serif;
color:white;
}

#two h3{
font-family:trajan pro, Verdana, Geneva, sans-serif;
color:white;
}
#two p{
font-family:vijaya, Verdana, Geneva, sans-serif;
color:white;
}

#three h3{
font-family:trajan pro, Verdana, Geneva, sans-serif;
color:white;    
}

#three p{
font-family:vijaya, Verdana, Geneva, sans-serif;
color:white;
}

#one{
margin-top:50px;
}

#two{
margin-top:-104px;
margin-left:360px;
}

#three{
margin-top:-408px;
margin-left:720px;
}

#footer{

}
4

1 回答 1

1

整个 CSS 中的负边距是导致此问题的原因：

#two {
    margin-top: -104px;
    margin-left: 360px;
}

不要使用大的负边距来移动东西，而是使用浮动：http ://www.w3schools.com/cssref/pr_class_float.asp 。

这是来自 CSS-tricks 的教程： http: //css-tricks.com/all-about-floats/。

任何使用负边距的地方，都需要用浮点数替换。空白符合预期，您设置的负边距对高度没有贡献。

于 2012-12-29T18:17:27.830 回答