LINK Cross-origin, HTML, valid: rgb(255, 255, 0) LINK + IMPORT Cross-origin, HTML, invalid: rgba(0, 0, 0, 0) LINK Cross-origin, CSS, invalid: rgb(255, 255, 0) LINK Same-origin, HTML, invalid: rgb(255, 255, 0) IMPORT Cross-origin, HTML, valid: rgb(255, 255, 0) IMPORT Cross-origin, CSS, invalid: rgb(255, 255, 0) IMPORT Same-origin, HTML, invalid: rgb(255, 255, 0)