সিএসএস এবং জাভাস্ক্রিপ্ট -
উদাহরণ
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <title>Document</title> <style> *, *::before, *::after { box-sizing: border-box; } body { margin: 0px; margin-top: 60px; padding: 0px; } nav { position: fixed; top: 0px; width: 100%; background-color: rgb(39, 39, 39); overflow: auto; height: auto; transition: 0.5s; padding: 50px 10px; } .links { display: inline-block; text-align: center; padding: 14px; color: rgb(178, 137, 253); text-decoration: none; font-size: 17px; } .links:hover { background-color: rgb(100, 100, 100); } .selected { background-color: rgb(0, 18, 43); } .sample-content { height: 150vh; } .company-logo { font-size: 50px; color: white; position: absolute; right: 30px; transition: 0.3s; } </style> </head> <body> <nav> <a class="company-logo">€</a> <a class="links selected" href="#">Home</a> <a class="links" href="#"> Login</a> <a class="links" href="#"> Register</a> <a class="links" href="#"> Contact Us</a> <a class="links" href="#">More Info</a> </nav> <div class="sample-content"> <h1>Here are some headers</h1> <h2>Here are some headers</h2> <h3>Here are some headers</h3> <h4>Here are some headers</h4> <h1>Here are some headers</h1> <h2>Here are some headers</h2> <h3>Here are some headers</h3> <h4>Here are some headers</h4> </div> <script> window.onscroll = scrollShowNav; function scrollShowNav() { if ( document.body.scrollTop > 20 || document.documentElement.scrollTop > 20 ) { document.getElementsByTagName("nav")[0].style.padding = "10px 10px"; document.querySelector(".company-logo").style.fontSize = "20px"; } else { document.getElementsByTagName("nav")[0].style.padding = "40px 50px"; document.querySelector(".company-logo").style.fontSize = "50px"; } } </script> </body> </html>
আউটপুট
উপরের কোডটি নিম্নলিখিত আউটপুট −
তৈরি করবে
পৃষ্ঠাটি স্ক্রোল করার সময় নেভিটি নিম্নরূপ সঙ্কুচিত হবে -