Tween the height of the parent of transitioning items
npm install vue-height-tween-transitionTweens between heights of default slotted element.

Demo: https://bkwld.github.io/vue-height-tween-transition/
``javascript`
// Add component
import 'vue-height-tween-transition/index.css'
Vue.component('height-tween', require('vue-height-tween-transition'))
#### Switching mode - Simultaneous
`vue
`
#### Switching mode - Out-In
`vue
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#### Toggle (Accordion) mode
`vue
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- To customize the height transition duration or other properties, define your own height-tweening CSS class.in-out
- Doesn't work with mode transitions ... though not sure why someone would use those...mode`
- Expects a toggling transition to not use