White space/ Space out issue on mobile view.

Site URL: https://www.rooftopagency.com/

Hi 
I'm facing white space out issue on right side of my  screen while viewing it on cellphone. I'm sharing a screenshot. Kindly help me out in this.

thanks
Sam

Add to Home > Design > Custom CSS

/* remove white right */
@media screen and (max-width:640px) {
html, body {
    overflow-x: hidden;
}
}

Oh thanks a lot. 
Also don't know why at the bottom of this page my "BACK,  WORK and NEXT" buttons are space out too much.

https://www.rooftopagency.com/auto-trader-toyota

On 9/15/2020 at 9:00 PM, sam2020 said:

Oh thanks a lot. 
Also don't know why at the bottom of this page my "BACK,  WORK and NEXT" buttons are space out too much.

https://www.rooftopagency.com/auto-trader-toyota

I see fine on desktop. Did you solve?