[CSS] CSS @property
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Normal CSS variable doesn't support gradient animation
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
<style>
:root {
--end-color: black;
}
.box {
width: 200px;
height: 200px;
background: linear-gradient(skyblue, var(--end-color));
transition: --end-color 1s; /* 普通的CSS变量不支持渐变动画 */
}
.box:hover {
--end-color: pink;
}
</style>
</head>
<body>
<h2>CSS @property (CSS自定义属性)</h2>
<div class="box"></div>
</body>
</html>
Use @property
to resolve the issue:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
@property --end-color {
syntax: "<color>";
inherits: false;
initial-value: black;
}
.box {
width: 200px;
height: 200px;
background: linear-gradient(skyblue, var(--end-color));
transition: --end-color 1s;
}
.box:hover {
--end-color: pink;
}
</style>
</head>
<body>
<h2>CSS @property (CSS自定义属性)</h2>
<div class="box"></div>
</body>
</html>
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