我有横幅图像有点设置,文字位于图像上方。由于大多数时候图像比文本更亮。我想在图像上方添加一些颜色并降低叠加层的不透明度。当我做这个背景颜色时,只是在背景图像下面,所以我无法在图像上看到任何叠加,仍然图像看起来更亮
#banner-image {
background-size: cover;
background-image: url('https://dusy1lvven6c5.cloudfront.net/content/attachment/640/Dear_Women-Exercise-Your-Right-To-Invest-Blog-1024x768.jpg');
background-color: rgba(0, 0, 0, 0.6);
}

<div class="row overlay" id="banner-image">
<div class="col-lg-12 col-md-12 col-sm-12">
<div class="col-lg-6 col-md-6 col-sm-6 col-md-offset-6 col-sm-offset-6" id="banner-content-div">
<p id="intro-text">What are mutual funds ?</p>
<p id="intro-exp">Mutual funds, you've seen them on TV and magazine covers.. but what are they? And how do they work?...</p>
<a href="mutual_fund.html" class="btn btn-default btn-readmore">Read more</a>
</div>
</div>
</div>
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