This property can be used to preserve the readability of text when a fallback font is used. It does this by adjusting the font size based on the height of lowercase letters rather than the height of capital letters.
CSS Level | Value |
---|---|
CSS Fonts Level 4 | "none | <number [0,∞]>" |
CSS Fonts Level 5 | "none | [ ex-height | cap-height | ch-width | ic-width | ic-height ]? [ from-font | <number [0,∞]> ]" |