.image_sec,
.light_btn,
.dark_btn {
  transition: 0.5s;
}

.image_sec:hover {
  scale: 1.05;
  transform: translateX(0.5rem) rotate(-2deg);
}

.light_btn:hover {
  scale: 1.1;
  color: white;
  background-color: black;
}

.dark_btn:hover {
  scale: 1.1;
  color: black;
  background-color: transparent;
}

.light_btn:hover ~ .dark_btn {
  color: black;
  background-color: white;
}