I apologize if I was wrong where to post
I have to do some printouts (some very complex) and Entity Print should be fine
I read the article of this link https://www.drupal.org/docs/contributed-modules/entity-print/usage and installed the module.
Then as described I updated the bartik.info.yml file with this code
Hello everyone I’m new in drupal and I love it. I should create a slider with columns of different size in a row, like this theme. https://preview.colorlib.com/theme/foodeiblog/. The slide should contain the last recipes inserted. The problem is in the different sizes and and that must be repeated.