In this tutorial, we will be creating a glass fill animation effect without using any SVG graphics or JavaScript. We will be using only CSS to create the animation. This animation is perfect for creating a liquid filling effect on a website. The tutorial is easy to follow and can be implemented on any website. So, if you're looking to add a cool animation effect to your website, this tutorial is for you. With this method, you can create a realistic looking glass fill animation effect without the need for any additional graphics or libraries. index.html <html> <head> <title>TUTORIAL</title> <link rel="stylesheet" href="style.css"> </head> <body> <div class="glass-ctr"> <div class="glass"></div> <div class="water-ctr"> <div class="water"></div>