<!DOCTYPE html>
<html>
<head>
<style>
html {
scroll-behavior: smooth;
}
#section1 {
height: 600px;
background-color: pink;
}
#section2 {
height: 600px;
background-color: yellow;
}
</style>
</head>
<body>
<h1>Smooth Scroll</h1>
<div class="main" id="section1">
<h2>Section 1</h2>
<p>Click on the link to see the "smooth" scrolling effect.</p>
<a href="#section2">Click Me to Smooth Scroll to Section 2 Below</a>
<p>Note: Remove the scroll-behavior property to remove smooth scrolling.</p>
</div>
<div class="main" id="section2">
<h2>Section 2</h2>
<a href="#section1">Click Me to Smooth Scroll to Section 1 Above</a>
</div>
</body>
</html>