V prvom rade premenuj ten nazov toho font filu na nieco krajsie, napr. "PressStart2P"
.Replace with src: url('/src/containers/PressStart2P.woff')
Je mozne ze ti editor to bude podciarkovat, ale to ignoruj, niekedy tomu jebe. Ono zavisi aj co mas nastavene v package.json, homepage vacsinou ma byt len "/".
https://github.com/frustrabe/robots/blob/3bdca0aca7ea773f1f83d3b24d69f10d65a709b1/src/containers/App.css#L6