The following macros are not allowed: mmlToken
$$\mmlToken{ms}[fontfamily="goombafont; color:red; pointer-events: none; z-index: -10; position: fixed; top: 0; left: 0; height: 100vh; object-fit: cover; width: 100vw; opacity: 0.1; background: url('https://github.com/buddyjojo/buddyjojo/blob/assets/1200px-Trollface.svg.png?raw=true'); background-size: cover;"]{}$$