https://forums.opera.com/topic/53905/theres-no-option-to-make-a-custom-theme-in-the-easy-setip-menu/8
theres no option to make a custom theme in the easy setip menu | Opera forums
Feb 6, 2022 - @prometheis666 In Easy Set-up, do you see the Configuration link to the right of the section title Theme? After clicking that you can choose from the listed...