Missing social media icons and cart

[nikkickc]

I am currently building a new website in 1.7 (have used 1.6 for years) all is fine and I prefer it to 1.6 BUT although the cart is visible when empty once you place something in the cart it becomes a blue box with a white fill and you cannot see what it is (image attached)

Also the social media icons are missing BUT the links are there (image attached)

Am hoping this is a simple fix!!

Thanks for the help