In this forum, surround your code with lines consisting of three backquotes.
From what I can guess trying to read your code, your visual tree still has serious problems.
It’s probably not a good idea to try to set the height and width of the “Spot” Panel. But it’s even more odd when the “Spot” Panel only has the main element in it – with no element to align relative to that main element. You should be seeing a warning about this if you are using go-debug.js
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What should be the physical relationship between the Spot Panel and the Placeholder?