html - How can I remove the blank space on footer mobile view on (smart phone) whenever I use Adsense overlay ads -

any time install adsense page level overlay ads on blog, footer messed ugly , huge gray space on smart phone samsung galaxy s5 (mobile devices). times without number have removed ads , problem fixed absolutely. have noticed 367+% decline in adsense revenue, unexpected.

maybe it's container or widget problem or css problem? code can place or remove on blogger template fix this?