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In addition, interoperability with the widest range of feed readers could be improved by implementing the following recommendation.
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<head><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"> <script src="https://cdnjs.cloudflare.com/ajax/libs/trianglify/1.0.1/trianglify.min.js"></script> <script> (function() { document.addEventListener('DOMContentLoaded', function() { var pattern = Trianglify({ cell_size: 75, variance: 0.35, seed: window.location.hostname, x_colors: ['D3D2C7', '#6EC0C5', '#133DC6'], y_colors: 'random', color_space: 'rgb', color_function: false, width: window.innerWidth, height: window.innerHeight, color_function: null }); window.onresize = function(){ location.reload(); } window.resize = function(){ location.reload(); } document.body.appendChild(pattern.canvas()); }); }()); </script> </head> <body> <div class='center'> <h1>Reserved for</h1> <h2 id="hostname"></h2> </div> <style> body{ margin: 0; } .fullscreenDiv { background-color: #e8e8e8; width: 100%; height: auto; bottom: 0px; top: 0px; left: 0; position: absolute; } h1 { color: #ffffff; font-family: 'Raleway',sans-serif; font-size: 2em; /*margin: 0 0 24px;*/ /*text-shadow: 1px 1px 0 #333, 1px -1px 0 #333, -1px 1px 0 #333, -1px -1px 0 #333;*/ } h2 { color: #ffffff; font-family: 'Raleway',sans-serif; font-size: 3em; /*margin: 0 0 24px;*/ text-transform: lowercase; /*text-shadow: 1px 1px 0 #333, 1px -1px 0 #333, -1px 1px 0 #333, -1px -1px 0 #333;*/ } .center { text-align: center; position: absolute; width:100%; top: 40vh; } canvas{ min-width: 100% !important; min-height: 100% !important; } @media only screen and (max-width: 400px) { h1 { font-size: 0.75em; } } @media only screen and (max-width: 800px) { h1 { font-size: 2em; } } @media only screen and (max-width: 400px) { h2 { font-size: 0.75em; } } @media only screen and (max-width: 800px) { h2 { font-size: 2em; } } </style></body><script> var hostname = window.location.hostname; document.getElementById("hostname").innerText = hostname;</script> </html> 
