Make uppercase, lowercase or normal the menu on wordpress.

For some people it's difficult to find how to make the menu (navigation) with uppercase or lowercase letters.

But it's easy to do it with a simple code line in the CSS code, by just going to: Appearance --> Customize and then on Additional CSS write the following.

For uppercase letters on navigation menu:

.main-navigation a { text-transform: uppercase; }

For lowercase letters on navigation menu:

.main-navigation a { text-transform: lowercase; }

For normal on navigation menu (That it will make it to be normal as it has been written):

.main-navigation a { text-transform: none; }