
W3.CSS supports a different kind of tooltip using w3-tooltip class. Take a look at the following example. Here we've put a tooltiptext within a div and an image and applied w3- tooltip on the parent div.
<div class = "w3-tooltip">
<div class = "w3-text w3-container w3-teal" style = "width:255px;">
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</div>
<div>
<img src = "html5-mini-logo.jpg" alt = "html5">
</div>
</div>
<html>
<head>
<title>The W3.CSS Tooltips</title>
<meta name = "viewport" content = "width = device-width, initial-scale = 1">
<link rel = "stylesheet" href = "https://www.w3schools.com/lib/w3.css">
</head>
<body class = "w3-container">
<h2>Hover Demo</h2>
<div class = "w3-tooltip">
<div class = "w3-text w3-container w3-teal" style = "width:255px;">
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</div>
<div>
<img src = "html5-mini-logo.jpg" alt = "html5">
</div>
</div>
</body>
</html>
Verify the result.