xxxxxxxxxx
// When height is non-null, the line height of the span of text will be a multiple of fontSize and be exactly fontSize * height logical pixels tall.
TextStyle(
fontSize: 20.0,
height: 1.2,
// Figma's line height: fontSize * height = 24
);
xxxxxxxxxx
TextStyle(
fontSize: 20.0,
height: 1.2,
// Flutter height: Figma line height / fontSize
);