How to increase inner container width in Generateblock element?

Hi there,

the width of your page is defined in the theme, its that Container Width that controls the overall width of any blocks on the page.

so how to increase the width specially on mobile devices? Have you check my site on mobile?

Select the inner Container Block.
Switch to Mobile view, and reduce the Spacing > Padding Left & Right
You can set it to 0 as the them is adding 20px of padding ( set in Customizer > Layout > Container) .