All loaded presets will be combined but you can override each file.
Take a look at
docs/_merged_includes and override what you want to override by placing the same filename into
For example, to override the css files loaded in the
cp docs/_merged_includes/_joiningBlocks/head/40-stylesheets.njk \ docs/_includes/_joiningBlocks/head/40-stylesheets.njk
then edit the file to suit your needs.
Also works for
If you don't add
.eleventyignore, you may receive error messages when running