Hint: CRT like CSS

[Zibri]

Try this I used it on a project of mine and it works nicely. Emulates scalines (in a more correct way than found around) and RGB CRT pixels. Add it as class crt to html tag

https://gist.github.com/Zibri/4643141c3706ec9a0477545b2bba2f57

[Zibri]

or you can apply that only to the canvas element... as you please.