<?php if($isMobile) { ?>
<link rel="stylesheet" type="text/css" href="css/style_m.css">
<link rel="stylesheet" type="text/css" href="css/nav_m.css">
<link rel="stylesheet" type="text/css" href="css/advanced_m.css">
<meta name="viewport" content="width=780px">
<?php } else { ?>
<link rel="stylesheet" type="text/css" href="css/style.css">
<link rel="stylesheet" type="text/css" href="css/nav.css">
<link rel="stylesheet" type="text/css" href="css/advanced.css">
<meta name="viewport" content="width=1020px">
<?php } ?>