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<head> <title>Responsive iFrame with HTML5 Animation</title> <style> /* Responsive iFrame wrapper */ .responsive-iframe { position: relative; height: 0; padding-bottom: 177.78%; /* 9:16 aspect ratio */ } /* iFrame */ .responsive-iframe iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; } </style> </head> <body> <div class="responsive-iframe"> <iframe src="http://akopierko.sk/HTML5/CardsPierko.html" frameborder="0">
