我发现了一个小问题。我需要创建两个并排的 div 和一个在它们下面的 div。我画了一张图,以便更好地解释它。那个主要的 DIV 是 CSS 中的#header。
这是html代码:
<div id="header">
<div id="header-wrap">
<div id="div1"></div>
<div id="div2"></div>
<hr> <!-- This is that line under #div1 and #div2 -->
<div id="div3"></div>
</div>
</div>
这是我的 CSS 代码:
#header {
background-image: url("../img/header.jpg");
background-position: center center;
background-repeat: repeat-y;
height: 180px;
width: 100%;
}
#header-wrap {
text-align: center;
margin: 0 auto;
height: 140px;
width: 80%;
padding-top: 30px;
}
#div1 {
background-image: url("../img/logo.png");
background-repeat: no-repeat;
height: 80px;
margin-bottom: 20px;
}
#div2 {
}
#header hr {
border: 0;
height: 1px;
background: transparent;
background-image: -webkit-linear-gradient(left, rgba(255, 255, 255, 0), rgb(255, 255, 255), rgba(255, 255, 255, 0));
background-image: -moz-linear-gradient(left, rgba(255, 255, 255, 0), rgb(255, 255, 255), rgba(255, 255, 255, 0));
background-image: -ms-linear-gradient(left, rgba(255, 255, 255, 0), rgb(255, 255, 255), rgba(255, 255, 255, 0));
background-image: -o-linear-gradient(left, rgba(255, 255, 255, 0), rgb(255, 255, 255), rgba(255, 255, 255, 0));
}
#div3 {
}
我不知道要在 #div2 和 #div3 中添加什么,所以它的样式是我想要的。感谢您的帮助。
最佳答案
与上述几乎相同的答案,只是从我所知道的内容中 float 在所有(较旧的)浏览器中都不起作用。
fiddle http://jsfiddle.net/rbHah/
<style type="text/css">
#header {
background-image: url("../img/header.jpg");
background-position: center center;
background-repeat: repeat-y;
height: 180px;
width: 100%;
background-color:yellow;
position:relative;
}
#header-wrap {
text-align: center;
margin: 0 auto;
height: 140px;
width: 80%;
padding-top: 30px;
background-color:green;
}
#div1 {
background-image: url("../img/logo.png");
background-repeat: no-repeat;
height: 80px;
width:50%;
margin-bottom: 20px;
float:left;
background-color:yellow;
}
#div2 {
width:50%;
height:80px;
float:left;
background-color:orange;
}
#header hr {
border: 0;
height: 1px;
background: transparent;
background-image: -webkit-linear-gradient(left, rgba(255, 255, 255, 0), rgb(255, 255, 255), rgba(255, 255, 255, 0));
background-image: -moz-linear-gradient(left, rgba(255, 255, 255, 0), rgb(255, 255, 255), rgba(255, 255, 255, 0));
background-image: -ms-linear-gradient(left, rgba(255, 255, 255, 0), rgb(255, 255, 255), rgba(255, 255, 255, 0));
background-image: -o-linear-gradient(left, rgba(255, 255, 255, 0), rgb(255, 255, 255), rgba(255, 255, 255, 0));
}
#div3 {
}
</style>
<div id="header">
<div id="header-wrap">
<div id="div1">div1</div>
<div id="div2">div2</div>
<div style="clear:both;"></div> <!--this div is verry important after floating divs! -->
<hr> <!-- This is that line under #div1 and #div2 -->
<div id="div3">div3</div>
</div>
</div>
关于html - 3个div定位,两个相邻,一个在它们下面,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/16261255/