.c-btn {
  min-width: 160px;

  @apply font-bold font-helveticaneue text-sm text-center px-4 py-3 border transition ease-linear duration-300;

  &--dark {
    @apply border-black bg-black text-white;

    @screen md {
      &:hover {
        @apply text-black bg-white;
      }
    }
  }
}