<!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>
/* 一个晶格状的画布背景 */
html,
body{
height: 100%;
margin: 0;
padding: 0;
}
.container {
height: 100%;
/* 主要属性 */
background-color: #fff;
background-image: linear-gradient(45deg, rgb(247, 247, 247) 25%, transparent 25%),
linear-gradient(-45deg, rgb(247, 247, 247) 25%, transparent 25%),
linear-gradient(45deg, transparent 75%, rgb(247, 247, 247) 75%),
linear-gradient(-45deg, transparent 75%, rgb(247, 247, 247) 75%);
background-size: 20px 20px;
background-position: 0 0, 0 10px, 10px -10px, -10px 0;
}
.rect{
position: absolute;
top: 200px;
left: 200px;
width: 120px;
height: 120px;
background: pink;
}
</style>
</head>
<body>
<div class="container">
<div class="rect"></div>
</div>
</body>
</html>
