Please read this tutorial to config Air Menu items sytle. The menu could be shown on the header, expanded panel, footer. Please refer to the tutorials to create the menu.
To set the Menu items spacing and other styles, please go to “Air Theme > Theme Options > Header”

Menu Items Spacing
- Horizontal Spacing for Menu Items on Header
- Left Spacing for Menu area on Header
Please enter the integer number for the spacing. The spacing will work as the screenshot:


You will notice that there are 2 input boxes for each spacing(or size) option. The 1st input box is for the Desktop device, the 2nd is for the Mobile device. They accept only input numbers.
Hide Menu for Header
The menu could be set to hide on the 5 header layouts:

Mouseover Effect
You could select a Hover effect for menu items. The default option is to hover to change color(the 1st option). Please define the color for Mouseover in “Theme Options > Colors”. You could define the line style for the 3rd effect.

You could define the menu color in “Theme Options > Colors”, define the font in the “Management > Fonts Assignment”.
If you want to use the hover effect for other text, please refer to this guide.