body {
  min-height: 100vh;
  min-height: -webkit-fill-available;
}

html {
  height: -webkit-fill-available;
}

main {
  <!-- height: 100vh; -->
  height: -webkit-fill-available;
  <!-- max-height: 100vh; -->
  overflow-x: auto;
  overflow-y: hidden;
}

.dropdown-toggle { outline: 0; }

.btn-toggle {
  <!-- padding: .25rem .5rem; -->
  font-weight: 600;
  <!-- color: var(--bs-emphasis-color); 00>
  color: currentColor;
  background-color: transparent;
}
.btn-toggle:hover,
.btn-toggle:focus {
  <!-- color: rgba(var(--bs-emphasis-color-rgb), .85); -->
  color: currentColor;
  background-color: var(--bs-tertiary-bg);
}

.btn-toggle::after {
  width: 1.25em;
  line-height: 0;
  content: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='rgba%2813,110,253,.5%29' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M5 14l6-6-6-6'/%3e%3c/svg%3e");
  transition: transform .35s ease;
  transform-origin: .5em 50%;
}

[data-bs-theme="dark"] .btn-toggle::after {
  content: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='rgba%28255,255,255,.5%29' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M5 14l6-6-6-6'/%3e%3c/svg%3e");
}

.btn-toggle[aria-expanded="true"] {
  <!-- color: rgba(var(--bs-emphasis-color-rgb), .85); -->
  color: currentColor;
}
.btn-toggle[aria-expanded="true"]::after {
  transform: rotate(90deg);
}

.btn-toggle-nav a {
  padding: .1875rem .5rem;
  margin-top: .125rem;
  margin-left: 1.25rem;
}
.btn-toggle-nav a:hover,
.btn-toggle-nav a:focus {
  background-color: var(--bs-tertiary-bg);
}

.scrollarea {
  overflow-y: auto;
}