<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
div{
height: 100px;
border: 2px solid #ddd;
}
div:first-child{
/*渐变色 红绿蓝 默认从上到下垂直分布*/
/*90deg可以改变角度 方向变为从左到右 等效于 to right*/
/* background: linear-gradient(90deg,red,green,blue); */
/*左上到右下*/
background: linear-gradient(to bottom right,red,green,blue);
}
</style>
</head>
<body>
<div>
</div>
</body>
</html>
