If you would like to create a button in your webpage, use this article.
Go to event website and create a web page with free text. Click on the web page to 'edit content'.
Now you can change the text, add images and also create a button. You do this by clicking on the black button next to the red flag.
You can add a link to the button as well so that a participant is redirected to a certain page.
If you click on Gallery on the left top, you can choose an example button.