@media (min-width: 1px) { .flag-linked-stripes { width: 160px; height: 80px; background: repeating-linear-gradient(45deg, #eee, #eee 10px, #fafafa 10px, #fafafa 20px); } } /* A valid hostless pseudo-element selector cannot be queried through the DOM selector API. It must remain in the corpus rather than count as unused. */ main > ::before { content: "Rendered pseudo-element text"; display: block; width: 160px; animation: bounce-linked-pseudo 1s ease-in-out infinite; } @keyframes bounce-linked-pseudo { 50% { transform: translateY(2px); } } /* Shipped but unused selectors must remain outside live URL findings, even inside grouping rules or when their check does not serialize a selector. */ @supports (display: grid) { .unused-linked-grid { background: linear-gradient(90deg, #d9d9d9 1px, transparent 1px), linear-gradient(180deg, #d9d9d9 1px, transparent 1px); background-size: 72px 72px; } } /* These selectors exist in the live DOM, but their conditions are inactive. URL scans must not treat their declarations as rendered page styles. */ @media (max-width: 1px) { .inactive-media-stripes { background: repeating-linear-gradient(45deg, #eee, #eee 10px, #fafafa 10px, #fafafa 20px); } } @supports (display: imaginary-layout) { .inactive-supports-stripes { background: repeating-linear-gradient(45deg, #eee, #eee 10px, #fafafa 10px, #fafafa 20px); } } .unused-linked-transition { transition: width 200ms ease; }