tabler/site/styles/_docs.scss

.docs-side {
  background: $color-gray;
  border-right: 1px solid $color-border;
  font-size: $font-size-h6;
  z-index: 1;
  position: sticky;
  top: calc(#{$header-height} + 1px);
  height: calc(100vh - #{$header-height});
  display: flex;
  flex-direction: column;
  width: 15rem;

  &:after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 50vw;
    z-index: -1;
    background: inherit;
  }
}

.docs-menu,
.docs-menu-group,
.docs-menu-submenu {
  display: flex;
  flex-direction: column;
}

.docs-menu {
  gap: $gap-4;
  margin: 0;
  padding: 0;
  overflow-y: auto;
  max-height: 100%;
  padding: 2rem 0;
}

.docs-menu-item {
  color: $color-muted;
  padding: .25rem 1rem;
  border-left: 1px solid $color-border;
  transition: $transition-duration border-color, $transition-duration color;

  &:hover {
    color: $color-headers;
    border-left-color: $color-headers;
  }

  &.active {
    color: $color-primary;
    border-left-color: $color-primary;
  }
}

.docs-menu-header {
  font-weight: $font-weight-medium;
  color: $color-headers;
  display: flex;
  align-items: center;
  margin-bottom: $gap-2;
}

.docs-menu-icon {
  background: $color-gray-dark;
  border-radius: $border-radius;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  margin-right: $gap-3;

  .icon {
    width: 1.5rem;
    height: 1.5rem;
    stroke-width: 1.5;
  }
}