Minimal template to create a sub theme from Drupal Olivero theme.
This is only recommended if you want to make minor tweaks and understand that Olivero could break your modifications as it changes.
See full article:
Copy this theme in your Drupal theme folder web/themes/custom
and rename it, ie olivero_sub_theme
> _MY_THEME_NAME_
.
Rename all files in this folder from olivero_sub_theme
> _MY_THEME_NAME_
.
Edit _MY_THEME_NAME_.info.yml
with your informations.
Edit _MY_THEME_NAME_.theme
to change olivero_sub_theme_css_alter
> MY_THEME_NAME_css_alter
and change the theme
name olivero_sub_theme
with your name.
Run:
scripts/build.sh _MY_THEME_NAME_
Enable the theme as usual from your Drupal.
Visit theme settings to set base colors: Administration > Appearance > Appearance settings > _MY_THEME_NAME_
Disable css, js aggregation and cache in Drupal, see the Drupal documentation.
Adapt css/theme.css and js/theme.js.
Build the css with postcss by running each time:
scripts/build.sh _MY_THEME_NAME_