Animate CSS border-top property

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


Live Demo

<!DOCTYPE html>
         table,th,td {
            border: 1px solid black;
         #newTable {
            width: 500px;
            height: 300px;
            background: yellow;
            border: 15px solid yellow;
            animation: myanim 3s infinite;
            background-position: bottom left;
            background-size: 50px;
         @keyframes myanim {
            30% {
               background-color: orange;
               border-right-color: red;
               border-right-width: 25px;
               border-spacing: 50px;
               border-top: 125px solid red;
      <h2>Performing Animation for top border</h2>
      <table id = "newTable">
Lakshmi Srinivas
Lakshmi Srinivas

Programmer / Analyst / Technician