css背景文本框使用代码及注释

demo3

<!DOCTYPE html>
<html> 
<head>
    <meta charset="UTF-8">  <!--字符集 -->
    <title>demo3</title>
    <!--背景颜色 -->
    <style>
    	body{
    		/*
    		background-image: url(1.jpg);  图片背景
    		background-repeat: no-repeat;  背景不重复
    		background-size: 200px;        图片像素大小
    		background-attachment: fixed;  图片固定于页面
    		background-position: center top;  图片显示中间顶部
    		*/
    		
    		/*简写方式*/
    		/*
    		background: url(1.jpg) no-repeat fixed center top;
    		*/
    		font-family: "微软雅黑" arial;
    		font-size: 22px;
    		color: #808080;
    		font-weight: bold;
    		font-variant: small-caps;

    	}

    	/*边框*/
    	.div1{
    		width: 400px;
    		height: 400px;

    		/*
    		border-width: 10px;
    		border-color: red;  */
    		/*border-style: double ridge inset outset;   */
    		
    		border-left: solid;
    		border-right: double;
    		border-top: solid;
    		border-bottom: double;
    		text-align: center;
    	}

    	.div1 p{
    		line-height: 30px;
    		letter-spacing: 10px;
    	}

    	p{
    		text-indent: 20px;
    		text-decoration: line-through;

    	}

    </style>
</head>
<body>
	<!--边框 -->
	<div class="div1">
		div1
		<p>
			asdadadsadasdasdasd
			asdadadsadasdasdasd
			asdadadsadasdasdasd
			asdadadsadasdasdasd
			asdadadsadasdasdasd
		</p>
	</div>
	<p>this is my heart</p>
 </body>
</html>

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