How to use site default article template
The default article template for a site will be used for each article component in the system
Each CMS site could have one default article template, you can set it in the Admin tab of the site data entry screen.
Select Handlebars as the default article parser, then enter the handlebar template
When you insert an article compoent in a page, it will look like:
Then you can add your style sheet to change the looking of the article