This is the "Video card" template. It should be called in the following format:
{{Video card
|Card title=The title of the card, default is: Tutorial video
|Featured video= Put here the link of the video you want to be featured
|Read more=Put the page you want to refer to when you click on read more here (Fullurl is already included) default is Uitleg
|Height=
}}
Edit the page to see the template text.