https://symfony.com/bundles/SonataAdminBundle/current/reference/templates.html
Templates (SonataAdminBundle Documentation)
SonataAdminBundle comes with a significant amount of twig files used to display the different parts of each Admin action's page. If you read the Templates part...
templatesdocumentation
https://symfony.com/bundles/SonataAdminBundle/current/cookbook/recipe_bootlint.html
Bootlint (SonataAdminBundle Documentation)
The admin comes with Bootlint integration. Bootlint is an HTML linter for Bootstrap projects. You should use it when you want add some contributions on Sonata...
bootlintdocumentation