Change specific menu items on the main menu

hi , I have this website where i am using full screen menu. i want to change the font of some specific menu items like Coming Soon, Home + Living an few other menu items. i tried using CSS and target the specific element but changing the style of one changes the styles of the whole menu.
so can anyone help me with how should target a specific element of the menu.

The page I need help with: [log in to see the link]