<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
* {box-sizing: border-box;}
.container {
position: relative;
width: 50%;
max-width: 300px;
}
.image {
display: block;
width: 100%;
height: auto;
}
.overlay {
position: absolute;
bottom: 0;
background: rgb(0, 0, 0);
background: rgba(0, 0, 0, 0.5); /* Black see-through */
color: #f1f1f1;
width: 100%;
transition: .5s ease;
opacity:0;
color: white;
font-size: 20px;
padding: 20px;
text-align: center;
}
.container:hover .overlay {
opacity: 1;
}
</style>
</head>
<body>
<h2>Image Overlay Title</h2>
<p>Hover over the image to see the effect.</p>
<div class="container">
<img src="img_avatar.png" alt="Avatar" class="image">
<div class="overlay">My Name is John</div>
</div>