fix: add exit animation once enter animation is done

[shhdharmen]

fix #21

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines: CONTRIBUTING.md#commit
  [ ] Tests for the changes have been added (for bug fixes / features)
  [ ] Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

[x] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Build related changes
[ ] CI related changes
[ ] Documentation content changes
[ ] Other... Please describe:

What is the current behavior?

Issue Number: #21

What is the new behavior?

Adding CSS for exit animation once enter animation is completed

Does this PR introduce a breaking change?

[ ] Yes
[x] No

Other information

[shhdharmen]

🎉 This PR is included in version 3.0.2-beta.1 🎉

The release is available on:

• npm package (@beta dist-tag)
• GitHub release

Your semantic-release bot 📦🚀

[github-actions]

🎉 This PR is included in version 3.0.2 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot 📦🚀