CSS를 사용하여 border-top-width 속성에 애니메이션을 구현하려면 다음 코드를 실행해 보세요.
예시
<!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>