Perform Animation on border-bottom-width CSS property

To implement animation on the border-bottom-width property with CSS, you can try to run the following code


Live Demo

<!DOCTYPE html>
         div {
            width: 500px;
            height: 300px;
            background: yellow;
            border: 10px solid yellow;
            border-bottom-right-radius: 100px;
            border-bottom-width: 30px;
            background-image: url('');
            animation: myanim 3s infinite;
            background-position: bottom left;
            background-size: 50px;
         @keyframes myanim {
            20% {
               background-color: maroon;
               background-size: 90px;
               border-bottom-color: green;
               border-bottom-right-radius: 50px;
               border-bottom-width: 50px;
      <h2>Performing Animation for bottom border width</h2>

Updated on: 25-Jun-2020


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