Source code
Revision control
Copy as Markdown
Other Tools
<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Overflow: ::scroll-marker with ::scroll-marker-group on root element</title>
<style>
body {
margin: 0;
}
#scroll-marker-group {
border: 3px solid black;
padding: 5px;
height: 20px;
display: block;
position: fixed;
top: 0;
}
.item {
width: 600px;
height: 300px;
margin-bottom: 20px;
background: green;
}
#first {
margin-top: 40px;
}
.scroll-marker {
width: 10px;
height: 10px;
background-color: blue;
border-radius: 100%;
display: inline-block;
}
</style>
<div id="scroll-marker-group">
<div class="scroll-marker"></div>
<div class="scroll-marker"></div>
<div class="scroll-marker"></div>
</div>
<div id="first" class="item"></div>
<div class="item"></div>
<div class="item"></div>