.btn {
  display: flex;

  align-items: center;
  justify-content: center;

  background: var(--color-primary);
  color: var(--color-background);

  border-radius: var(--radius-lg);
  
  transition: var(--transition-fast);
}

.btn:hover {
  transform: translateY(-5px);
  filter: brightness(1.1);
}

.btn:active {
  transform: translateY(0);
}

.btn-sm {
  width: 8rem;
  height: 2.5rem;
}

.btn-md {
  width: 12rem;
  height: 2.5rem;
}

.btn-lg {
  width: 20rem;
  height: 2.5rem;
}