How to keep images relative to its parent

The issue is pretty much self explanatory in this gif: https://gyazo.com/6ffabaa643aec7dc6a74001db2cfe0ec

Look at the mute button

Here the workspace
image

Any help is really appreciated

Change the anchor point to (0.5,0,5) and position to (.5,0,.5,0), this will make sure its always in the middle.
Change the size to scale instead of offset and it will change size with its parent.