This site is using Jekyll.
bundle install
npm install
bundle exec jekyll serve --livereload --incremental
These plugin will help writing CSS respecting the rules: https://marketplace.visualstudio.com/items?itemName=stylelint.vscode-stylelint
Here is the configuration:
{
"editor.codeActionsOnSave": {
"source.fixAll.stylelint": true
},
"stylelint.validate": [
"css",
"less",
"postcss",
"scss"
]
}