W3School TIY Editor
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<!DOCTYPE html> <html> <head> <style> .container { position: relative; } .center { position: absolute; top: 50%; width: 100%; text-align: center; font-size: 18px; } img { width: 100%; height: auto; opacity: 0.3; } </style> </head> <body> <h1>图像文本</h1> <p>居中图像中的文本：</p> <div class="container"> <img src="/i/logo/w3logo-2.png" alt="W3School" width="800" height="450"> <div class="center">Centered</div> </div> </body> </html>