FONT_MEDIUM_CAP_PX

style::values::specified::font

Constant FONT_MEDIUM_CAP_PX 

Source 
pub const FONT_MEDIUM_CAP_PX: f32 = FONT_MEDIUM_PX; // 16f32
Expand description

The default cap height – https://drafts.csswg.org/css-values/#cap

In the cases where it is impossible or impractical to determine the cap-height, the font’s ascent must be used