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<html lang="en"> <head> <script src="https://cdnjs.cloudflare.com/ajax/libs/p5.js/1.6.0/p5.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/p5.js/1.6.0/addons/p5.sound.min.js"></script> <link rel="stylesheet" type="text/css" href="style.css"> <meta charset="utf-8" /> </head> <body> <main> <div class="card"> The outside part<br>Cool pic <div class="overlay"> The inside part - information </div> </div> </main> </body></html>