<html> <head> <title>div in center without css</title> </head> <body> <div> THIS IS ONE PARAGRAPH. HERE WE ARE NOT USE ANY ALIGNMENT. </div> <div align="center" style="border: 2px solid blue"> THIS PARAGRAPH IS IN CENTER </div> </body> </html>
<html> <head> <title>div in center with css</title> <link href="../../Content/style.css" rel="stylesheet" type="text/css" /> </head> <body> <div> THIS IS ONE PARAGRAPH. HERE WE ARE NOT USE ANY ALIGNMENT. </div> <div class="mydiv"> THIS PARAGRAPH IS IN CENTER </div> </body> </html>
body {
background-color:Gray;
}
.mydiv {
padding:10px;
margin:auto;
width:30%;
border:4px solid black;
}如果您想在框内输入文字，请在CSS文件的.mydiv类中编写text-align：center。