* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

html {
  color-scheme: dark light;
}

body {
  font-family: system-ui, sans-serif;
  min-height: 100dvh;
}

img {
  max-width: 100%;
  display: block;
}

.box {
  position: relative;
  overflow: hidden;
  width: min(300px, 100% - 2rem);
  aspect-ratio: 1;
  margin-top: 1rem;
  margin-inline: auto;
  border: 4px solid orange;
  border-radius: 10px;
}
.box::before {
  content: "";
  position: absolute;
  pointer-events: none;
  width: 20px;
  height: 20px;
  border-radius: 10px;
  background-color: orange;
  --default-top: 5px;
  --default-left: calc(100% - 20px - 5px);
  animation: leave 500ms forwards;
}
@keyframes leave {
  from {
    top: var(--leave-top, var(--default-top));
    left: var(--leave-left, var(--default-left));
  }
  to {
    top: var(--default-top);
    left: var(--default-left);
  }
}
.box.hover::before {
  animation: enter 500ms forwards;
}
@keyframes enter {
  from {
    top: var(--enter-top, var(--default-top));
    left: var(--enter-left, var(--default-left));
  }
  to {
    top: var(--current-top, var(--default-top));
    left: var(--current-left, var(--default-left));
  }
}

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