html { background: #F4F4F4; color: #111111; font-family: 'Roboto', sans-serif; }
main { max-width: 1400px; }
p { font-family: 'Roboto', sans-serif; }
nav ul { width: 37rem; max-width: 90%; }
@media screen and (max-width: 30em){
	.f4 { font-size: 1rem; line-height: 1.4; }
	h2 { font-size: 1.3rem; }
}