<html>
<head>
<style>
.box {
width: 150px;
height: 150px;
background-color: pink;
opacity: 1;
transition: all 0.9s ease;
@starting-style {
opacity: 0;
translate: 0 -80px;
}
}
</style>
</head>
<body>
<h1>Demo of @starting-style</h1>
<div class="box">HELLO!</div>
</body>
</html>