html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
}

body > div {
  min-height: 100vh;
}

a {
  color: inherit;
}

summary {
  list-style: none;
  cursor: pointer;
}

summary::-webkit-details-marker {
  display: none;
}

summary .plus {
  display: inline-block;
  transition: transform 0.15s ease;
}

details[open] summary .plus {
  transform: rotate(45deg);
}

:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 3px;
}