console 命令行工具 X clear

console

<!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" />
</head>

<body>
	<div class="container">
		<div class="box"></div>
	</div>
</body>

</html>

.box {
    width: 300px;
    height: 300px;
    background: url(https://yuhuo520.gitee.io/practice/static/img/QRcode.png) no-repeat center / 100%;
    image-rendering: pixelated;
}