webawesome/docs/assets/styles/theme-icons.css

wa-card:has(
    > .theme-icon-host,
    > [slot='header'] > .theme-icon-host,
    > .fonts-icon-host,
    > [slot='header'] > .fonts-icon-host
  ) {
  &::part(header) {
    /* We want to add a background color, so any spacing needs to go on .theme-icon */
    flex: 1;
    padding: 0;
    min-block-size: 0;
  }

  [slot='header'] {
    width: 100%;
  }
}

.theme-icon-host,
.fonts-icon-host,
.palette-icon-host {
  flex: 1;
  border-radius: inherit;

  &[slot='header'],
  [slot='header']:has(&) {
    flex: 1;
    border-radius: inherit;
  }
}

.theme-icon:not(.theme-color-icon),
.palette-icon,
.icons-icon {
  min-height: 5.5rem;
}

.palette-icon {
  display: grid;
  grid-template-columns: repeat(var(--hues, 9), 1fr);
  gap: var(--wa-space-3xs);
  min-width: 20ch;
  align-content: center;

  .swatch {
    height: 0.7em;
    background: var(--color);
    border-radius: var(--wa-border-radius-s);

    &[data-suffix=''] {
      height: 1.1em;
    }
  }
}

.theme-icon,
.fonts-icon {
  min-width: 18ch;
  padding: var(--wa-space-xs) var(--wa-space-m);
  border-radius: inherit;
  box-sizing: border-box;

  h2,
  h3,
  p {
    margin-block: 0;
    padding: 0;
  }
}

.theme-color-icon {
  display: flex;
  gap: var(--wa-space-xs);
  min-width: 15ch;
  background: var(--wa-color-surface-lowered);

  & + & {
    border-start-start-radius: 0;
    border-start-end-radius: 0;
  }

  div {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    border-radius: var(--wa-border-radius-m);
    background-color: var(--background-color);
    border: var(--wa-border-width-s) var(--wa-border-style) var(--border-color);
    padding: var(--wa-space-2xs) var(--wa-space-xs);
    color: var(--text-color);
    font-weight: var(--wa-font-weight-semibold);
  }
}

.theme-icon.theme-overall-icon,
.fonts-icon {
  display: flex;
  flex-flow: column;
  gap: var(--wa-space-2xs);
  justify-content: center;
  width: 100%;
  min-height: 6.75rem;
  box-sizing: border-box;
  background: var(--wa-color-surface-lowered);

  .row {
    display: flex;
    gap: var(--wa-space-xs);
    align-items: center;
    justify-content: space-between;
  }

  .row-2 {
    display: grid;
    grid-template-columns: 1fr auto;
    contain: inline-size;
    width: 100%;

    wa-input {
      min-width: 1em;
    }
  }

  .swatches {
    display: flex;
    gap: var(--wa-space-3xs);

    > div {
      width: 1.25rem;
      height: 1.25rem;
      border-radius: var(--wa-border-radius-s);
      background: var(--wa-color-fill-loud);
      color: var(--wa-color-on-loud);

      &.wa-brand {
        width: 2.5rem;
      }
    }
  }
}

.theme-icon.theme-dimensionality-icon {
  display: flex;
  flex-flow: column;
  gap: var(--wa-space-2xs);
  justify-content: center;
  width: 100%;
  min-height: 6.75rem;
  box-sizing: border-box;

  wa-card {
    display: block;

    &::part(body) {
      display: flex;
      gap: var(--wa-space-xs);
    }

    wa-input {
      flex: 4;
      min-width: 1em;
    }

    wa-button {
      flex: 1;
    }
  }
}

.fonts-icon {
  font-family: var(--wa-font-family-body);
  padding-block: var(--wa-space-s);
  overflow: hidden;
  position: relative;

  & h2,
  & p {
    white-space: nowrap;
  }

  &::after {
    content: '';
    position: absolute;
    right: 0;
    width: 50%;
    height: 100%;
    background-image: linear-gradient(to left, var(--wa-color-surface-lowered), 20%, transparent);
  }
}

.icons-icon {
  display: grid;
  grid-template-columns: repeat(var(--columns, 5), auto);
  gap: var(--wa-space-xs);
  place-items: center;
  place-content: center;

  & wa-icon {
    font-size: 1.25em;
  }
}

.page-card {
  wa-badge {
    margin-inline: var(--wa-space-3xs);
  }
}

:is(.theme-card, .icons-card)::part(header) {
  background: var(--wa-color-surface-lowered);
}

.icons-card::part(header) {
  color: var(--wa-color-neutral-on-quiet);
}