Some of the shapes in my website are not the correct size in test movie

I'm making a timeline for my website that scrolls sideways, and the text appears in boxes, but some of the boxes are not in the correct position and are also the wrong size, though this only applies to SOME of them.

How it shows in animate:

How it shows in the test movie:

Further along it shows like this:

Then like this:

And finally this:

But on the side of animate it all looks fine, all text fits into the text boxes