fonts on cart page (Brine)

Site URL: https://clarechow2.squarespace.com/

For some reason I can't seem to change the fonts in the cart page, I've tried everything. Can someone help? I would like it to be 

{font-family: 'Basic-Commercial';}

and in colour: #464c3a

password: brineintopedro

Add to Home > Design > Custom CSS

/* Cart page font */
body#cart main.Main * {
    font-family: 'Basic-Commercial' !important;
}