固定高度的块元素垂直居中示例
<!DOCTYPE HTML> <html> <head> <meta charset="utf-8"> <title>三十课 - 固定高度的块元素垂直居中示例</title> <style> .parent { height: 140px; position: relative; border: 2px dashed #f69c55; } .child { position: absolute; top: 50%; height: 100px; margin-top: -50px; color:#fff; background: #000; } </style> </head> <body> <div class="parent"> <div class="child">控制复杂性是计算机编程的本质。</div> </div> </body> </html>
运行结果
三十课