Exercise:

The <Transition> component automatically gives us 6 different CSS classes we can use to animate an element.

Fill the blanks so that the 3 first class names are completed, in the correct order, for when an element becomes visible:

    1. v-enter-
w3exercise_input_no_0

    2. v-enter-
w3exercise_input_no_1

    3. v-enter-
w3exercise_input_no_2