盒子边框border的三要素：宽/形状/颜色
(编辑：jimmy 日期: 2025/2/27 浏览：2)
盒子border的三要素：宽，形状，颜色。
复制代码代码如下:
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>border边框</title>
<style>
#mydiv{
height:200px;
width:100px;
background:black;
border:10px solid yellow;
}
</style>
</head>
<body>
<div id="mydiv">border的三要素:宽 形状 颜色</div>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>border边框</title>
<style>
#mydiv{
height:0px;
width:0px;
border-top: 50px solid white;
border-right: 50px solid white;
border-left: 50px solid white;
border-bottom: 50px solid blue;
border-
}
</style>
</head>
<body>
<div id="mydiv"></div>
</body>
</html>
复制代码代码如下:
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>border边框</title>
<style>
#mydiv{
height:200px;
width:100px;
background:black;
border:10px solid yellow;
}
</style>
</head>
<body>
<div id="mydiv">border的三要素:宽 形状 颜色</div>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>border边框</title>
<style>
#mydiv{
height:0px;
width:0px;
border-top: 50px solid white;
border-right: 50px solid white;
border-left: 50px solid white;
border-bottom: 50px solid blue;
border-
}
</style>
</head>
<body>
<div id="mydiv"></div>
</body>
</html>
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