iframe-1-ref.html (424B)
1 <html> 2 <body> 3 <iframe style="position: absolute; left: 0px; top: 0px; width: 300px; height: 150px; border: none; border-radius: 50px; background: green;" src="data:text/html,<body>"></iframe> 4 <div style="position: absolute; left: 10px; top: 0px; width: 280px; height: 150px; background: red;"></div> 5 <div style="position: absolute; left: 0px; top: 10px; width: 300px; height: 130px; background: red;"></div> 6 </body> 7 </html>