Did you change them in footer or header?

Then you need to adjust all viewports.

Select for every viewport (colours on the left) your new chenges.

Test them in preview (see same colours above) by clicking the appropriate viewport, next to the url adress, there are 4 pictures.

• It is the font, colors and size in the product area. I have change the them in the template under Font. You know, where you can change fonts, size etc. for the entire webpage

Standard font is as you choose it in step2 , text field and button style, use the pulldown.

But if you change the setting on 1 certain page, that will remain, unless you change it to default font on that page.

Did you refresh you phone page after visiting? (strike from top to down on you screen for android....