HTMLify

@property --bg-angle {
  inherits: false;
  initial-value: 0deg;
  syntax: "<angle>";
}
* {
  box-sizing: border-box;
}

html {
  font-family: Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.45;
}

body {
  margin: 0;
}

main {
  background: #000;
  display: grid;
  height: 100vh;
  place-items: center;
}
main article {
  border-radius: 1rem;
  color: white;
  padding: 1.2rem;
  width: min(450px, 90vw);
  text-align: center;
  cursor: pointer;
  animation: spin 2.5s infinite linear paused;
  background: linear-gradient(to bottom, oklch(0 0 0/0.9), oklch(0 0 0/0.9)) padding-box, conic-gradient(from var(--bg-angle) in oklch longer hue, oklch(1 0.37 0) 0 0) border-box;
  border: 6px solid transparent;
}
main article:hover {
  animation-play-state: running;
}
main article h1 {
  line-height: 1.1;
  margin: 0;
}

@keyframes spin {
  to {
    --bg-angle: 360deg;
  }
}

/*# sourceMappingURL=style.css.map */