How can I change my product title color to white?

[rentwithc]

i want to make the title of the products white instead of grey when you are viewing the product. also make the writing for the booking system white too while leaving the dates grey how can i do this?

here is my store URL: https://rentwithc.com/products/dissh-gianna-chocolate-dress

[Zworthkey]

@rentwithc 
Paste this code on top of the theme.scss file.

h1.product-single__title {
    color: white !important;
}

label {
    color: white !important;
}