<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
* {
box-sizing: border-box;
}
body {
font-family: Arial;
font-size: 17px;
}
.container {
position: relative;
max-width: 800px;
margin: 0 auto;
}
.container img {vertical-align: middle;}
.container .content {
position: absolute;
bottom: 0;
background: rgb(0, 0, 0);
background: rgba(0, 0, 0, 0.5);
color: #f1f1f1;
width: 100%;
padding: 20px;
}
</style>
</head>
<body>
<h2>Responsive Image with Transparent Text</h2>
<div class="container">
<img src="/w3images/notebook.jpg" alt="Notebook" style="width:100%;">
<div class="content">
<h1>Heading</h1>
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</div>
</div>
</body>
</html>