.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  transition: color var(--transition-fast);
}

.icon svg {
  width: 100%;
  height: 100%;
  display: block;
  fill: none;
  stroke: currentColor;
}

.icon--sm { width: 16px; height: 16px; }
.icon--lg { width: 32px; height: 32px; }
.icon--xl { width: 44px; height: 44px; }

.icon--brand {
  width: auto;
  height: 24px;
}

.icon--brand svg,
.icon--brand img {
  width: auto;
  height: 100%;
}

a:hover .icon,
button:hover .icon,
.icon--interactive:hover {
  color: var(--clr-primary-hover);
}

[data-theme="dark"] .icon--facebook {
  filter: brightness(1);
}

[data-theme="light"] .icon--facebook {
  filter: brightness(0.9);
}