When the Horizontal Stack element is selected, the Gap, Authorization and Visibility parameters are displayed in the Properties panel.
These parameter fields allow you to set custom authorization settings and visibility preferences for the Horizontal Stack element. You can also set its visibility with the show/hide/conditional options. You can add text and icons inside the Horizontal Stack element. You can give role-based authorizations to the element.
Select the Horizontal Stack element. In the Properties panel, you can set the spacing value between elements inserted in the Horizontal Stack via the Gap section. By default, it is 12 pixels. You can change this value as you wish.