Correction status:qualified
Teacher's comments:
实例 <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>0323作业</title> <style type="text/css"> .box1 { width: 200px; height: 200px; background-color: lightblue; text-align: center; } .box1 a { line-height: 200px; } .box2 { width: 200px; height: 200px; background: red; text-align: center; display: table-cell; vertical-align: middle; } .box3 { width: 200px; height: 200px; background: yellow; display: table-cell; vertical-align: middle; } .box3 .box4{ width: 100px; height: 100px; background-color: blue; margin:auto; } .box5 { width: 200px; height: 200px; background-color: lightblue; text-align: center; display: table-cell; vertical-align: bottom; } .box5 ul { padding: 0px; } .box5 li { list-style: none; display: inline; } </style> </head> <body> <!-- 单行文本居中 1.水平居中:在父元素样式里面设置text-align:center; 2.垂直居中:在子元素样式里面设置line-height等于父元素的高; --> <div class="box1"><a href="">单行文本居中</a></div> <!-- 多行文本居中--> <!--1.水平居中:在父元素样式里面设置text-align:center; 2.垂直居中:在父元素里面设置display:table-cell;verticle-align:middle; --> <div class="box2"> <a href="">多行文本居中</a><br> <span>多行文本居中</span> </div> <!-- 块元素居中 1.水平居中:子元素设置为margin:auto; 2.垂直居中:父元素display:table-cell;verticle-align:middle; --> <div class="box3"> <div class="box4"></div> </div> <!-- 不定宽块元素居中 1.水平居中:设置text-align:center; 2.垂直居中:设置ul的属性为line-height等于父元素height(不常用) 3.底部居中:设置为display:table-cell;verticle-align:bottom --> <div class="box5"> <ul> <li><a href="">1</a></li> <li><a href="">2</a></li> <li><a href="">3</a></li> <li><a href="">4</a></li> <li><a href="">5</a></li> </ul> </div> </body> </html> 运行实例 » 点击 "运行实例" 按钮查看在线实例