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盒模型练习----2019年1月14日23时59分
aptx_1999的博客
Original
545 people have browsed it

通过盒模型,了解内边距、边框等概念

实例

<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="utf-8">
	<title>一切可见元素都是盒子</title>
	<style>
		.box1{
			width: 200px;
			height: 200px;
			background-color: lightgreen;
			/*设置内边距*/
			/*padding-top: 10px;
			padding-right: 20px;
			padding-bottom: 30px;
			padding-left: 40px;*/
			/*简写*/
			padding: 10px 20px 30px 40px;
			/*如果左右边距都是30px,上下边距分别为10px 40px*/
			padding: 10px 30px 40px;
			/*如果左右边距为30px 上下为40px*/
			padding: 40px 30px;
			/*设置边框 上边框*/
			/*border-top: 10px;
			border-top-style: solid;
			border-top-color: red;*/
			/*简写*/
			border-top: 10px solid red;
			/*设置边框 右边框*/
			/*border-right: 10px;
			border-right-style: dashed;
			border-right-color: blue;*/
			/*简写*/
			border-right: 10px dashed blue;
			/*设置边框 下边框*/
			/*border-bottom: 10px;
			border-bottom-style: dotted;
			border-bottom-color: yellow;*/
			/*简写*/
			border-bottom: 10px dotted yellow;
			/*设置边框 左边框*/
			/*border-left: 10px;
			border-left-style: double;
			border-left-color: pink;*/
			/*简写*/
			border-left: 10px double pink;
			/*如果边框都一样*/
			border: 10px solid red;
		}	

		.box2{
			height: inherit; /*继承父级*/
			background-color: lightgrey;
		}
	</style>
</head>
<body>
	<div class="box1">
		<div class="box2"></div>
	</div>
</body>
</html>

运行实例 »

点击 "运行实例" 按钮查看在线实例

以上代码涉及知识点总结:

一.内边距padding,按上右下左设置.如padding:10px 20px 30px 40px;

二.如果padding左右为30px,上为10px,下为40px,写法padding:10px 30px 40px;

三.如果padding左右为30px,上下为40px,写法padding:30px 40px;

四.边框border写法border:大小 样式 颜色;如border:10px solid red;

五.继承父级:inherit

Correction status:qualified

Teacher's comments:
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