css-渐变色矩形

不穿铠甲的穿山甲2023-10-26 5:01

效果图：

代码：

html:

复制代码

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
		<title></title>
		<link rel="stylesheet" style="text/css" href="test.css">
	</head>
	<body>
		<div class="container">
			<div class="bg"></div>
		</div>
	</body>
</html>

css:

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*{
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

.container{
	width: 100vw;
	height: 100vh;
	background-image: url('https://img0.baidu.com/it/u=3091341499,2856166635&fm=253&fmt=auto&app=138&f=PNG?w=1331&h=500');
	background-repeat: no-repeat;
	background-size: cover;
	display: flex;
	justify-content: center;
	align-items: center;
}

.bg{
	width: 500px;
	height: 45px;
	background-image:
	 linear-gradient(to top, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0)),
	 linear-gradient(to right, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.4), rgba(255, 255, 255, 0));
	 border-top: 1px solid;
	 border-bottom: 1px solid;
	 border-image: linear-gradient(to right, rgba(255, 255, 255, 0), rgba(255, 255, 255, 1), rgba(255, 255, 255, 0)) 1 1 stretch;;
}