FSCSS 1.2.5 ships property shorthands: size, px, inset-x, ratio-fit()

Question

A new FSCSS release. This one's aimed at the pairs everyone keeps typing out by hand:

/* before */
width: 32px;
height: 32px;

/* after */
size: 32px;

Same deal for the other repeat offenders:

.card {
  px: 16px;      /* padding-left + padding-right */
  py: 14px;      /* padding-top + padding-bottom */
  mx: auto;      /* margin-left + margin-right */
  max-w: 360px;
}

.overlay-side {
  pos: absolute;
  inset-x: 45px; /* left + right only, top/bottom untouched */
  top: 0;
  h: 4px;
}

The inset-x one is the one I actually wanted to exist. inset: auto 45px sets all four sides, there's no native way to say "just left and right" without writing left and right separately. Now there is.

There's also ratio-fit() for the fill-container-keep-aspect-ratio pattern:

.media > img {
  inset: ratio-fit(16 / 9);
  obj-fit: cover;
}

Compiles ahead of time, no runtime polyfill needed for any of it if you're already compiling with the CLI.

npm install fscss@1.2.5
fscss input.fscss output.css

Also ships stack, hstack, center, auto-fit, truncate, line-clamp, border/background shorthands, and the usual aliases (fs, fw, jc, ai, pos, shadow...). Full map's linked below. There's a real UI using a chunk of these together, a dual-phone budget app template combining this with modules like st-core@v2 charts, if you want to see it in context rather than isolated snippets.

Release: https://github.com/Figsh/xfscss/releases/tag/v1.2.5
Shorthands reference: https://fscss.devtem.org/shorthands
Budget app template: https://github.com/fscss-ttr/st-core.fscss/tree/main/templates/budget-app

Anyone using size/px/inset-x already hit any edge cases worth flagging?