css背景图像内容大小

Question

我想要一个背景图像，它始终是内容的大小。不是屏幕的大小！这样我可以向下滚动到图像的底部。有没有任何的CSS解决方案？

Answer 1

将您的内容包裹在div /容器中，并将该图像用作给定内容div /容器的背景图像。给DIV /容器background-size:cover;

Answer 2

CSS属性如果你想有一定规模的背景图像，这听起来像一个HTML的问题不是一个CSS多一个，请参阅：

http://www.w3schools.com/TAgs/att_body_background.asp

如果您正在寻找看中-er功能，你可能要考虑一个JavaScript的解决方案，如下列：

http://pixelcog.github.io/parallax.js/

让我知道，如果这是HEL pful，或者如果你指的是别的东西

Answer 3

看到中间div包含图像和文字。 LiveFiddle。任何问题请发表评论。祝你好运

body { 
 
    margin: 0; 
 
height:100vh; 
 
} 
 

 
#top_box { 
 
    text-align: center; 
 
    height: 20%; 
 
    border: 1px solid blue; 
 
    background: red; 
 
} 
 
.two_area{ 
 
    display:inline-flex; 
 
} 
 
#middle_box { 
 
    overflow: auto; 
 
    height: 280px; 
 
    
 
    background: url(http://fehlbelichtet.stefanwensing.de/wp-content/uploads/sites/6/2016/04/alte-strasse-endlos.jpg); 
 
    background-repeat: no-repeat; 
 
    background-size: cover; 
 
    background-position: center center; 
 
    background-attachment: fixed; 
 
    border: 1px solid black; 
 
    color: red; 
 
    text-align: justify; 
 
    width:50%; 
 
} 
 

 
h1.tittle { 
 
    text-align: center; 
 
} 
 
#middle_box_right{ 
 
    width:50%; 
 
} 
 
#footer_box { 
 
    border: 1px solid yellow; 
 
    text-align: center; 
 
    background: blue; 
 
    color: white; 
 
} 
 

 

<div id="top_box"> 
 

 
    <h1> 
 
Header area 
 
</h1> 
 

 
</div> 
 
<div class="two_area"> 
 

 
    <div id="middle_box"> 
 
    <h1 class="tittle"> 
 
Contentable Image Area 
 
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    It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop 
 
    publishing software like Aldus PageMaker including versions of Lorem Ipsum.Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer 
 
    took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset 
 
    sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum. Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the 
 
    industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially 
 
    unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.Lorem Ipsum is simply dummy text 
 
    of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, 
 
    but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker 
 
    including versions of Lorem Ipsum.Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled 
 
    it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, 
 
    and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since 
 
    the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in 
 
    the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.Lorem Ipsum is simply dummy text of the printing and typesetting 
 
    industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic 
 
    typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem 
 
    Ipsum.Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. 
 
    It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop 
 
    publishing software like Aldus PageMaker including versions of Lorem Ipsum.Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer 
 
    took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset 
 
    sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's 
 
    standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. 
 
    It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.Lorem Ipsum is simply dummy text of the 
 
    printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, 
 
    but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker 
 
    including versions of Lorem Ipsum.Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled 
 
    it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, 
 
    and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since 
 
    the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in 
 
    the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum. 
 
    </div> 
 
    <div id="middle_box_right"> 
 
    <h1 class="tittle">2nd area</h1> 
 
    </div> 
 
</div> 
 
<div id="footer_box"> 
 

 
    <h1>Footer area</h1> 
 

 
</div>