Animate border-top-width CSS property


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

Example

Live Demo

<!DOCTYPE html>
<html>
   <head>
      <style>
         div {
            width: 500px;
            height: 300px;
            background: yellow;
            border: 10px solid yellow;
            background-image: url('https://www.tutorialspoint.com/latest/Angular-4.png');
            animation: myanim 3s infinite;
            background-position: bottom left;
            background-size: 50px;
         }
         @keyframes myanim {
            20% {
               background-color: maroon;
               background-size: 90px;
               border-color: red;
               border-top-width: 50px;
            }
         }
      </style>
   </head>
   <body>
      <h2>Performing Animation for color of border</h2>
         <div></div>
   </body>
</html>

Updated on: 25-Jun-2020

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