background image with black opacity css code example
Example 1: css how to make background transparent
background-color: rgba(255, 255, 0, 0.75);
Example 2: set background image with color with opecity css
div {
width: 200px;
height: 200px;
display: block;
position: relative;
}
div::after {
content: "";
background: url(image.jpg);
opacity: 0.5;
top: 0;
left: 0;
bottom: 0;
right: 0;
position: absolute;
z-index: -1;
}
Example 3: have a transparent div on an image html
<html>
<head>
<style type="text/css">
div.imageSub { position: relative; }
div.imageSub img { z-index: 1; }
div.imageSub div {
position: absolute;
left: 15%;
right: 15%;
bottom: 0;
padding: 4px;
height: 16px;
line-height: 16px;
text-align: center;
overflow: hidden;
}
div.imageSub div.blackbg {
z-index: 2;
background-color: #000;
-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=50)";
filter: alpha(opacity=50);
opacity: 0.5;
}
div.imageSub div.label {
z-index: 3;
color: white;
}
</style>
</head>
<body>
<div class="imageSub" style="width: 300px;"> <!-- Put Your Image Width -->
<img src="image.jpg" alt="Something" />
<div class="blackbg"></div>
<div class="label">Label Goes Here</div>
</div>
</body>
</html>