to docu : https://jekyllrb.com/docs/liquid/filters/

# ---------------------------------CAREFUL----------------------------------------
# do not use liquid filter in navigation. Jekyll take it as a static file
# so <img src="https://dgrv.github.io/dorian-gravier/files/icon/Tatoo_v02_icon.png" class="emoji" />
# this will not work

make your modif in css only in assets/css/mains.css https://github.com/mmistakes/minimal-mistakes/issues/1453

Blog post

Wide format

In header use classes: wide

Layouts

In header use:

layout: code
layout: post
layout: single

build offline or onlone

In _config.yml. Comment or not depending on your needs

# remote_theme: "mmistakes/minimal-mistakes"
theme: "minimal-mistakes-jekyll"

In Gemfile, keep it like this. If you change this one run bundle install

gem "jekyll-remote-theme"
gem "minimal-mistakes-jekyll", path: "./minimal-mistakes"