This theme is a Zurb Foundation starter, you can use it to generate your own theme and then uninstall it.
Foundation Starter is a simpler alternative to existing ZURB Foundation, it does fewer assumptions and just provides you the boilerplate to start your new Drupal theme using Zurb Foundation.
Requirements
* Drush 9.
Installation
* Install normally as other themes are installed. For support:
https://www.drupal.org/docs/8/extending-drupal-8/installing-themes
Generating a new theme
You can use the drush command as follows:
drush --include="web/themes/contrib/foundation_starter" foundation_starter:generate-theme MyNewTheme
You can also set machine name and description
drush --include="web/themes/contrib/foundation_starter" foundation_starter:generate-theme MyTheme my_theme "This is my theme"
Your new theme will be placed in themes/custom folder and the foundation starter will be disabled, you can remove it safety after that.