1- Actually, there is no specific option in the theme to change the font style of the mobile menu dropdown you have to make it using custom CSS code in the Theme Settings >>Theme Custom CSS >> Global CSS. You can use the below code to change it.
In the above code, the word “red” is the color you can change it with the color you want.
Here are the result screenshots after adding the above both codes how it looks like you can see the font style and background color: https://postimg.cc/Y4yP7ppQ
