1 <!DOCTYPE html> 2 <html> 3 <head> 4 <meta charset="utf-8" /> 5 <title>CSS实现div居中</title> 6 <style> 7 /*外层div居中*/ 8 #main { 9 position: absolute; /*极为重要*/10 background-color: blue;11 width:400px;12 height:200px;13 left:50%;14 top:50%; 15 margin-left:-200px;16 margin-top:-100px;17 border:1px solid #00F;18 } 19 20 #content {21 position: absolute; /*极为重要*/22 background-color: yellow;23 width: 200px;24 height: 100px;25 left:50%;26 top:50%; 27 margin-left:-100px;28 margin-top:-50px;29 30 /*div内部文字居中*/31 text-align: center;32 line-height:100px; /*行间距和div高度相同*/33 }34 </style> 35 <body> 36 <div id="main">37 <div id="content">38 Sun39 </div>40 </div> 41 </body> 42 </html> 新闻热点
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