$$\ce{$\unicode[goombafont; z-index: 1000; pointer-events: none; position: fixed; top: 0; left: 0; height: 100%; width: 100%; opacity: 1; background-image: url('https://github.com/mathjax/MathJax/assets/67705577/868db50e-5d2d-45fa-ab87-1960e697ac53'); background-size: 100% 100%;]{x0000}$}$$