<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>背景颜色渐变示例</title>
<style>
div {
background-image: linear-gradient(to right, red, blue); /* 线性渐变 */
/* 或者使用径向渐变
background-image: radial-gradient(circle, yellow, green); */
width: 300px;
height: 200px;
}
</style>
</head>
<body>
<div></div>
</body>
</html>