The ascent-override, descent-override, and line-gap-override descriptors adjust the display of a font declared in an @font-face statement. This can help make fallback fonts look the same size. Shipping in Safari 27.3 (beta). Probes FontFace.ascentOverride, FontFace.descentOverride, FontFace.lineGapOverride. More: developer.mozilla.org/docs/Web/API/FontFace/ascentโฆ drafts.csswg.org/css-fonts-4/#font-metrics-overridโฆ web-platform-dx.github.io/web-features-explorer/feโฆ
(typeof FontFace !== "undefined" && "ascentOverride" in (FontFace.prototype || FontFace)) && (typeof FontFace !== "undefined" && "descentOverride" in (FontFace.prototype || FontFace)) && (typeof FontFace !== "undefined" && "lineGapOverride" in (FontFace.prototype || FontFace))(typeof FontFace !== "undefined" && "ascentOverride" in (FontFace.prototype || FontFace)) && (typeof FontFace !== "undefined" && "descentOverride" in (FontFace.prototype || FontFace)) && (typeof FontFace !== "undefined" && "lineGapOverride" in (FontFace.prototype || FontFace))