<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Custom Scrollbar</title>
</head>
<body>
  <h1>A gradient scrollbar! Isn't it pretty?</h1>
</body>
</html>
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;700&family=Poppins:wght@400;700&family=Roboto&display=swap');

html, body {
  width: 100%;
  height: 100%;
  font-family: 'Montserrat';
}

html {
  height: 50rem;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
}

::-webkit-scrollbar-track {
background: #faedcd;
}

::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar:horizontal {
  display: none;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(#4158D0, #C850C0, #FFCC70);
  border-radius: 20px;
}

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.