change menu font/color settings

When I click on a menu item and am directed to that page, that menu item is bolded to show that i am on that page. I’d like to have all of my menu items bolded in the first place to make them pop out a bit more. Once I click on one, I would like it to turn to the color red.

my website is https://www.riverhillstraveler.com

i use a child theme of twenty twelve

appreciate the help