I am trying to add a "Remote Assist" button to my login page.  It seemed pretty strait forward, writing the HTML and CSS into the "Customize Login Page" It showed in the preview and worked from the preview when I clicked it.  But when I would save and publish, then save again, I would open an incognito window and look, and there would be my button, not where I put it, and not formatted as nicely as I did.  Click the button and nothing happens, inspect it, and all my code except the button tags were gone.  No link, no onclick, nothing.  So, I tried using an <a href> link in the shape of a button.  Same thing, much of my formatting and other IMPORTANT code bits just went away.  No real pattern to what actually disappears.  The attachment ending in 30-48 is the test code block, after saving and publishing I see 31-42 after inspecting the button.

I added another example with the code blocks, in the second example although the <a href> appears intact, hovering over the link or clicking does absolutely nothing.

Any thoughts would be appreciated...