First look on mobile seems ok. Not sure maybe the (non-visible) spacing between the clickable zones isn’t enough.

writen by Benedikt
Benedikt I just tried adding more spacing just to see. But it’s strange because this one is OK: https://bookscalculator.com/pages

writen by Marc Lou
I think I fixed it. These 2 <input/> have the same name attribute.
Prob google thinks it’s an overlap, thus 2 elements too close to each other.
Will update here!

writen by Marc Lou