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girvan/gist:9317639

Last active August 29, 2015 13:56
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gistfile1.html
<meta name="viewport" id="viewport" />
<script>
var viewport_width = 400;
(function(target_width){
var device_width = screen.width || 320,
ratio = (device_width/target_width);
// desktop or some old mobile browser
if(device_width > 414 || device_width < 320)
ratio = 1.0;
document.getElementById('viewport').content = "width=device-width,user-scalable=1,initial-scale=" + ratio;
})(viewport_width);
</script>
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