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<!DOCTYPE html> <html> <head> <style> ul { list-style-type: none; } ul li a { color: green; text-decoration: none; padding: 3px; display: block; } @media screen and (max-width: 699px) and (min-width: 520px) { ul li a { padding-left: 30px; background: url(email-icon.png) left center no-repeat; } } </style> </head> <body> <h1>Resize the browser window to see the effect!</h1> <ul> <li><a data-email="johndoe@example.com" href="mailto:johndoe@example.com">John Doe</a></li> <li><a data-email="marymoe@example.com" href="mailto:marymoe@example.com">Mary Moe</a></li> <li><a data-email="amandapanda@example.com" href="mailto:amandapanda@example.com">Amanda Panda</a></li> </ul> </body> </html>