.fab {
  z-index: 1100;
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background-color: var(--color-blue-600);
  color: var(--color-text-light);
  cursor: pointer;
  box-shadow: var(--box-shadow-lg);
  border: 0.125rem solid var(--color-white);
}