abstrak：<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>邊框</title> <style>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>邊框</title>
<style>
.xw {
width: 200px;
height: 100px;
background-color: blanchedalmond;
border: 1px solid darkred;
border-radius: 50%;
}
.chj {
width: 200px;
height: 100px;
background-color: forestgreen;
border: 1px double saddlebrown;
border-radius: 80%;
}
.zfy {
width: 200px;
height: 100px;
background-color: darkred;
border: 1px double purple;
border-radius: 20%;
}
</style>
</head>
<body>
<div></div>
<div></div>
<button>登錄></button>
<div></div>
</body>
Guru membetulkan：查無此人Masa pembetulan：2019-05-10 13:56:04
Rumusan guru：完成的不錯，邊框做的好，頁面就會很漂亮。繼續(xù)加油。