变暗CSS背景图片? [英] Darken CSS background image?
本文介绍了变暗CSS背景图片?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
应该是一个相当简单的问题。在我的网站我这样做:
#landing-wrapper {
display:table;
width:100%;
background:url('landingpagepic.jpg');
background-position:center top;
height:350px;
}
我想做的是使背景图片变暗。因为我有UI元素在这个DIV,我不认为我可以真正放置另一个div,使其变暗。建议?
解决方案
您可以使用 CSS3 Linear Gradient 属性以及您的背景图像如下:
#landing- wrapper {
display:table;
width:100%;
background:linear-gradient(rgba(0,0,0,0.5),rgba(0,0,0,0.5)),url('landingpagepic.jpg');
background-position:center top;
height:350px;
}
这是一个演示:
#landing-wrapper {display:table; width:100%;背景:线性梯度(rgba(0,0,0,0.5),rgba(0,0,0,0.5)),url('http://placehold.it/350x150'); background-position:中心顶部; height:350px; color:white;}
< div id =landing -wrapper> Lorem ipsum dolor ismet。< / div>
Should be a fairly simple question. In my website I do this:
#landing-wrapper {
display:table;
width:100%;
background:url('landingpagepic.jpg');
background-position:center top;
height:350px;
}
What I'd like to do is make the background image darker. Since I have UI elements inside this DIV I don't think I can really place another div over it to darken it. Suggestions?
解决方案
You can use the CSS3 Linear Gradient property along with your background-image like this:
#landing-wrapper {
display:table;
width:100%;
background: linear-gradient( rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5) ), url('landingpagepic.jpg');
background-position:center top;
height:350px;
}
Here's a demo:
#landing-wrapper {
display: table;
width: 100%;
background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('http://placehold.it/350x150');
background-position: center top;
height: 350px;
color: white;
}
<div id="landing-wrapper">Lorem ipsum dolor ismet.</div>
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