Postmortems
A selector that flattened the activity grid
The activity grid lost its colours because a two-part selector outranked the level classes. A short tour of CSS specificity.
1 min
Page 7 of 7
Older posts
PostmortemsThe shorthand that ate the mobile gutter
How one padding declaration silently removed the side margin on phones, and why padding-block is the habit now.
1 min
DesignA grey that looked fine and measured 4.09
Muted text that passes the eye test and fails WCAG AA, and why contrast has to be measured against the real background, cards included.
1 min
InfrastructureEvery choice in the stack, and why
The complete technology list behind PaceStreak — domain, sites, monitoring, backend, tooling — with the reasoning, the rejected alternatives, and the constraints each choice created for the next one.
15 min
InfrastructureFour things that only break inside a container
Setting up the PaceStreak backend on uv, Ruff and ty, then wrapping it in Docker. Every real bug came from running it, not from reading it.
5 min
InfrastructureSetting up PaceStreak in public
Domains, monitoring, a status page and a landing site — and the four things that silently broke while doing it.
3 min