<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<style>
div {
width:200px;
height:200px;
border-width:5px;
border-style:solid;
border-color:pink;
padding-left:30px;
padding-top:50px;
padding-right:30px;
padding-bottom: 50px;
margin-left:auto;
margin-right:auto;
}
</style>
</head>
<body>
<div>王者农药</div>
</body>
</html>
css第一句话
* {
padding: 0;
margin:0;
}
