Can the button size of template Flat_box_horizontal be adjusted?

Yes. The button width can either be set globally using the template options or individually for each individual use, using the shortcode option “button_max_width“. Check out the documentation page for all options of Flat_box_horizontal.

Note that the value must be CSS compatible, i.e. it must contain a numerical value and either “px” for pixels or”%” for percent.

Example with 200px

Example with 50%