Just add this Responsive Google AdSense snippet code to your website page to make your Google ads responsive to any devices if Google’s native responsive code does not work for you.
/* Calculate the width of available ad space */
ad = document.getElementById('google-ads-1');
if (ad.getBoundingClientRect().width) {
adWidth = ad.getBoundingClientRect().width; // for modern browsers
} else {
adWidth = ad.offsetWidth; // for old IE
}
/* Replace ca-pub-XXX with your AdSense Publisher ID */
google_ad_client = "ca-pub-XXX";
/* Replace 1234567890 with the AdSense Ad Slot ID */
google_ad_slot = "1234567890";
/* Do not change anything after this line */
if ( adWidth >= 728 )
google_ad_size = ["728", "90"]; /* Leaderboard 728x90 */
else if ( adWidth >= 468 )
google_ad_size = ["468", "60"]; /* Banner (468 x 60) */
else if ( adWidth >= 336 )
google_ad_size = ["336", "280"]; /* Large Rectangle (336 x 280) */
else if ( adWidth >= 300 )
google_ad_size = ["300", "250"]; /* Medium Rectangle (300 x 250) */
else if ( adWidth >= 250 )
google_ad_size = ["250", "250"]; /* Square (250 x 250) */
else if ( adWidth >= 200 )
google_ad_size = ["200", "200"]; /* Small Square (200 x 200) */
else if ( adWidth >= 180 )
google_ad_size = ["180", "150"]; /* Small Rectangle (180 x 150) */
else
google_ad_size = ["125", "125"]; /* Button (125 x 125) */
document.write (
''
);
(adsbygoogle = window.adsbygoogle || []).push({});
//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js
Source: Snippet by Digital Inspiration