<?php function is_mobile() {
	        static $is_mobile;
	
	        if ( isset($is_mobile) )
	                return $is_mobile;
	
	        if ( empty($_SERVER['HTTP_USER_AGENT']) ) {
	                $is_mobile = false;
	        } elseif ( strpos($_SERVER['HTTP_USER_AGENT'], 'Mobile') !== false // many mobile devices (all iPhone, iPad, etc.)
	                || strpos($_SERVER['HTTP_USER_AGENT'], 'Android') !== false
	                || strpos($_SERVER['HTTP_USER_AGENT'], 'Silk/') !== false
	                || strpos($_SERVER['HTTP_USER_AGENT'], 'Kindle') !== false
	                || strpos($_SERVER['HTTP_USER_AGENT'], 'BlackBerry') !== false
	                || strpos($_SERVER['HTTP_USER_AGENT'], 'Opera Mini') !== false
	                || strpos($_SERVER['HTTP_USER_AGENT'], 'Opera Mobi') !== false ) {
	                        $is_mobile = true;
	        } else {
	                $is_mobile = false;
	        }
	
	        return $is_mobile;
	}
	if (!is_mobile()) { ?>
.BODY {margin: 0;padding: 0; max-width:1280px; font-family: Arial, Helvetica, sans-serif; font-size:0.9em; color:#666666;}
#Layer1 {position:absolute; left:210px; top:10px; width:496px; height:75px; z-index:1;}
#Layer2 {position:absolute; left:780px; top:480px; width:336px; z-index:8}
#Layer3 {position:absolute; left:200px; top:160px; width:550px; z-index:10; text-align:justify}
#Layer4 {position:absolute; left:23px; top:420px; width:170px; z-index:9}
#Layer5 {position:absolute; left:780px; top:20px; width:300px; z-index:9}
#Layer6 {position:absolute; left:15px; top:11px; width:170px; height:233px; z-index:8}
a {
	font-family: Arial, Helvetica, sans-serif;
	color: #666666; text-decoration:underline
	}
.style11 {font-size: 12px; font-family:Verdana, Arial, Helvetica, sans-serif; color:#000000}
.style2 {font-size: 14px; font-family:Arial, Helvetica, sans-serif}
.style5 {color: #006699; font-family:Verdana, Arial, Helvetica, sans-serif; font-size:12px }
.style12 {font-size: 18px; color: #006699; font-family:Verdana, Arial, Helvetica, sans-serif}
.sm_txt {
	FONT-SIZE: 10px; FONT-STYLE: normal; FONT-FAMILY: Arial, Helvetica, Tahoma, sans-serif; color:#333333
}
.sm_imgl { float:left; margin-right:20px; 
}
.sm_imgr { float:right; margin-left:20px; 
}}
<?php } else {?>
.BODY {font-family: Arial, Helvetica, sans-serif; font-size:1em; color:#666666; line-height: 1.5em;}
a {
	font-family: Arial, Helvetica, sans-serif;
	color: #666666; text-decoration:underline
	}
#yandex_ad {display:none;}
#Layer1 {display:none;}
#Layer2 {display:none;}
#Layer4 {display:none;}
#Layer3 {line-height: 1.5em;position:absolute; left:1em;!important;}
#Layer5 {display:none;}
#Layer6 {display:none;}
img {height:auto;max-width:100%;}
.table {display:none;}
.style11 {font-size: 1em; font-family:Verdana, Arial, Helvetica, sans-serif; color:#000000}
.style2 {font-size: 1.5em; font-family:Arial, Helvetica, sans-serif}
.style5 {color: #006699; font-family:Verdana, Arial, Helvetica, sans-serif; font-size:1em }
.style12 {font-size: 1em; color: #006699; font-family:Verdana, Arial, Helvetica, sans-serif}
.sm_txt {
	FONT-SIZE: 0.9em; FONT-STYLE: normal; FONT-FAMILY: Arial, Helvetica, Tahoma, sans-serif; color:#333333
}
.sm_imgl { float:left; margin-right:20px; 
}
.sm_imgr { float:right; margin-left:20px; 
}}
<?php } ?>