luv.css

/* https://s9a.page/tape */
:root{--tape-filter:none;--tape-bluv:#11dff1;--tape-play:#fbbfff;--tape-loud:#eee833;--tape-luvu:#44f477;--tape-blaq:#0e0e0e;--tape-watt:#e0e0e0;--tape-hex:#e0e0e0;--tape-mix:transparent}.tape-watt{--tape-hex:var(--tape-watt)}.tape-luvu{--tape-hex:var(--tape-luvu)}.tape-loud{--tape-hex:var(--tape-loud)}.tape-play{--tape-hex:var(--tape-play)}.tape-bluv{--tape-hex:var(--tape-bluv)}.tape-flat{border-color:transparent}.tape-flap{border-color:currentColor}.tape-flow{--tape-remix:none}.tape-flow :not(.tape-skip){background-color:transparent;color:inherit}.tape-blaq,.tape-bluv,.tape-loud,.tape-luvu,.tape-play,.tape-watt{--tape-mix:var(--tape-hex);--tape-remix:none;color:var(--tape-blaq)!important;background-color:var(--tape-mix)!important;background-image:var(--tape-remix);filter:var(--tape-filter)}.tape-blaq{--tape-mix:var(--tape-blaq);color:var(--tape-hex)!important}.tape-erase,.tape-erase *{color:transparent!important}

@media not (prefers-contrast: more) {
  :root {
    --tape-watt: thistle;
    --tape-luvu: turquoise;
    --tape-play: salmon;
    --tape-loud: #ec0;
    --tape-blaq: #303;
    --tape-bluv: deepskyblue;
  }
}

@media (orientation: portrait) {
  :root {
    --tape-remix: radial-gradient(
      var(--tape-play), 
      var(--tape-bluv),
      var(--tape-bluv),
      var(--tape-play)
    );
  }
}

@media (orientation: landscape) {
  :root {
    --tape-remix: conic-gradient(
      var(--tape-play), 
      var(--tape-bluv),
      var(--tape-bluv),
      var(--tape-play)
    );
  }
}

::selection {
  background: deeppink;
  color: #0e0e0e;
}

:focus-within {
  --tape-filter: hue-rotate(9deg);
}

:focus {
  --tape-filter: hue-rotate(-72deg);
  outline: 1rem dotted;
  outline-offset: -1em;
  outline-width: min(1rem, 1ch);
}

:any-link {
  text-decoration-color: var(--tape-hex);
}