First, you can easily create a button page. We recommend it, as it has many optimized features. https://help.snackeet.com/en/articles/5195467-how-to-add-edit-answers-choices-buttons-classic-webstory

If you really need it, You can create your own buttons using text blocks and "on click" redirection

2. Design it by choosing a background, a text color, a corner size etc ..

3. Add an on-click action.

You will have the choice between internal ( URL) and internal redirection;

Tooltips will be displayed like this if you activate it.