default-src 'none'; style-src 'self' 'strict-dynamic' 'nonce-yeah' 'sha256-EpOpN/ahUF6jhWShDUdy+NvvtaGcu5F7qM6+x2mfkh4=';

----------------------------------------------------

[
	["directive", "default-src "],
	["safe", "'none'"],
	"; ",
	["directive", "style-src "],
	["safe", "'self'"],
	["safe", "'strict-dynamic'"],
	["safe", "'nonce-yeah'"],
	["safe", "'sha256-EpOpN/ahUF6jhWShDUdy+NvvtaGcu5F7qM6+x2mfkh4='"],
	";"
]

----------------------------------------------------

Checks for source expressions classified as safe.