CssSpacing.trbl constructor
Four-value shorthand (top, right, bottom, left).
Example: CssSpacing.trbl(top, right, bottom, left) → 10px 20px 30px 40px
Implementation
factory CssSpacing.trbl(
CssLength top,
CssLength right,
CssLength bottom,
CssLength left,
) = _CssSpacingFour;