All you need to do is to activate your plugin and go to Appearance -> Customize -> Header Customizer Lite section, to start modifying your header..
If you want header, more menus, breadcrumbs, search box, or simply much more settings, while live previewing them all, you may consider non-lite or PRO WordPress Header Customizer..
Header type how are your logo and menus placed by default logo goes on the left side, while menu goes to the right side of the header you can set them both aligned, or move menu to the left next to the logo.
Background attachment the property sets whether image is fixed or scrolls with the rest of the page it's great to set parallax effect for example if set to fixed..
Menu margin left margin left and right of the menu.
Menu item top-left radius each of these options have possibility to exclude all other items except first or last item, so the menu looks rounded ..
To setup menu, first you need to set any menu you have saved before to be placed to.
Shadow shadow set using CSS property box-shadow it's set text field using full definition, e.g 2px 2px 2px 2px rgba and when you make changes to any of the values you can see them live as you type..
Responsive Width width which defines breaking point between desktop and header when you load your website on screen sizes below this point your header will look minified..
Hamburger Color hamburger icon appears instead of your menu, which you can click on to show the menu on small screens but this time the menu items are ordered below each other..
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