A band as a CSS z-index value: var(--sxl-z-<token>, <default>), optionally offset (delta) within the band — zIndexVar('grid', 1) lifts one float above its siblings. The result is a string for an inline zIndex style (or a stylesheet), not a number.
z-index
var(--sxl-z-<token>, <default>)
delta
zIndexVar('grid', 1)
zIndex
A band as a CSS
z-indexvalue:var(--sxl-z-<token>, <default>), optionally offset (delta) within the band —zIndexVar('grid', 1)lifts one float above its siblings. The result is a string for an inlinezIndexstyle (or a stylesheet), not a number.