<!DOCTYPE html>
<html>
<head>
<style>
#container {
width: 50%;
aspect-ratio: 2/3;
margin: auto;
border: solid black 2px;
overflow-x: hidden;
overflow-y: scroll;
scroll-snap-type: y mandatory;
}
#container > img {
width: 100%;
margin: 2px;
scroll-snap-align: start;
scroll-margin-top: 30px;
}
</style>
</head>
<body>
<h3>CSS scroll-margin-top property.</h3>
<p>Drag the scrollbar vertically inside the photo gallery box, let go, and see the scroll-snap effect with snap position start and scroll-margin-top 30px.</p>
<div id="container">
<img src="img_chania.jpg" alt="alley" width="460" height="345">
<img src="img_forest_narrow.jpg" alt="bridge in jungle" width="326" height="400">
<img src="img_mountains.jpg" alt="mountains" width="600" height="400">
<img src="img_man_narrow.jpg" alt="man with camera" width="709" height="963">
<img src="img_5terre.jpg" alt="Cinque Terre" width="600" height="400">
</div>
</body>
</html>