.button {
  position: fixed;
  z-index: 99;
  right: 20px;
  bottom: 20px;
  display: flex;
  width: 45px;
  height: 45px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-neutral-300);
  border-radius: 50%;
  background-color: var(--color-neutral-100);
  color: var(--color-foreground);
  cursor: pointer;
  font-size: var(--font-md);
}