You're rebuilding a section from a live website. You want to know: does my local build match the original? Where are the styling differences? At which breakpoints do things break? pixelprobe answers ...
# Cheating and skipping to use ticks_add() when we know there's no wraparound # Real apps should use always it. assert ticks_diff(MODULO_HALF + off, 1 + off) == MODULO_HALF - 1 assert ...