Minimal index.html setup script

index-setup.js

let style = document.createElement('style');
style.innerHTML = $`
body, body > * {
	
	box-sizing: border-box;
	position: relative;
	margin: 0;
	display:flex;
	flex-direction

}

body {
	font-family: 'Roboto Mono', monospace;
}
`

let link = document.createElement('link')
link.rel = 'stylesheet'
link.href = 'https://fonts.googleapis.com/css?family=Roboto+Mono:100,100i,300,300i,400,400i,500,500i,700,700i'

document.head.append(style)
document.head.append(link)