我试图在一些文本后面放置一个不透明的黑色背景,但遇到了麻烦,因为文本总是在不透明的颜色后面。我不能使用z索引,因为文本相对定位,有人知道我如何使文本显示在不透明背景的顶部吗?
JS小提琴
http://jsfiddle.net/abtuj3xj/
HTML格式
<section class="primary" style="background-image: url('http://lorempixel.com/output/fashion-q-c-640-480-9.jpg');" data-bgimg="http://lorempixel.com/output/fashion-q-c-640-480-9.jpg">
<div class="item">
<article>
<div class="entry">
<p>A whole bunch of text that goes on top of everything but is relatively positioned</p>
</div>
<div class="clear"> </div>
</article>
</div>
<p class="scroll-down">Scroll down</p>
</section>
CSS格式
section {
position:relative; text-align: center;
background-repeat: no-repeat; background-size: cover;
min-height:100%; color:#fff;
}
.item:after {
content: ''; position:absolute; width:100%; height:100%; top:0; left:0;
background-color:#000; opacity:0.3;
}