.dark-mode button {
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: 20px;
}

.dark-mode .sun {
  display: block;
}

.dark-mode .moon {
  display: none;
}

.dark .dark-mode .sun {
  display: none;
}

.dark .dark-mode .moon {
  display: block;
}