Mobile CSS for Pay With a Like

Hello There

I am using this plunging on my site but i see it is not looking as nice on the mobile is there any css fix i can use to make it look better.

I have looked at it on my mobile: Samsung
I have also tested it with I have attach a screen shot

Please let me know if there is any CSS fix i can use to make them look better

Thank you Kindly
Mark de Scande