The "font-size" CSS Property

This property specifies the size of the font (more specifically the desired height of glyphs from the font).

Values for "font-size"

CSS Level	Value
CSS 2.1	an absolute size, a relative size, a length, or a percentage
CSS3	an absolute size, a relative size, a length, or a percentage

Syntax Notes for "font-size"

• Absolute sizes include: xx-small, x-small, small, medium, large, x-large, and xx-large
• Relative sizes include: larger and smaller

Notes

• Use of percentage values, or values in 'em's, leads to more robust and cascadable style sheets.

Recommended Links

• CanIUse.com: Search "font-size" (browser compatibility information)
• CanIEmail.com: Search "font-size" (email client compatibility information)
• CSS 2.1: font-size property
• CSS3: font-size property
• MDN: font-size property

Accessibility Information & Tips

• When sizing fonts, use CSS and specify relative sizes using "em", percentages or named font sizes like "xx-small", "x-small", "small", "medium", "large", "x-large", "xx-large", "smaller", or "larger". Visit https://www.w3.org/TR/WCAG20-TECHS/C12, https://www.w3.org/TR/WCAG20-TECHS/C13, and https://www.w3.org/TR/WCAG20-TECHS/C14 for more information.

Search Engine Links (for more information)

• Bing "CSS font-size property"
• Google "CSS font-size property"