Reveal with Move doesn't work in Safari [webkit bug]

[itsdouges]

Follow bug here: https://bugs.webkit.org/show_bug.cgi?id=196731.

Describe the bug

In OSX Safari the reveal motion doesn't compose well with the move motion. This is because of a bug with clip-path not working with transform or position: relative.

To Reproduce
Steps to reproduce the behavior:

1. Go to https://elementmotion.com/reshaping-container
2. See the modal reveal not transitioning

Expected behavior
Reveal to be working smoothly.

Screenshots

Desktop (please complete the following information):

• OS: [OSX]
• Browser [Safari]
• Version [12.1.1]