Below are the options in General settings.
Select the font-family of the under-construction content.
Add a custom CSS code for style any text or section
Add a custom background image, background color, background slider, or background video for your Under Construction page in desktop view
Add a custom background image or add background color which you want to show on mobile.
Add the loader icon when something takes time to load.
Snow effect for the page.
To know more in detail check it out from here.