:root {
	--colour: #a6e3a1;
	--bgcolour: #1e1e2e;
}

body {
	margin: 0;
	padding: 0;
	color: var(--colour); 
	background-color: var(--bgcolour);
	font-family: monospace;
	font-size: 12px;
}

main {
	margin: 1rem;
	border: 1px solid var(--colour);
}

pre#content {
	height: calc(100vh - 66px);
	margin: 0;
	padding: 1rem;
	overflow-x: hidden;
	overflow-y: scroll;
	white-space: break-spaces;
	line-break: anywhere;
	text-shadow: 0 0 1em, 0 0 3em;
}

div#carat {
	width: .5em;
	height: .9em;
	display: inline-block;
	background: var(--colour);
	transform: translateY(1px);
	animation: linear .5s infinite forwards carat-blink;
}

@keyframes carat-blink {
	from {
		opacity: 1;
	}
	to {
		opacity: 0;
	}
}

div#overlay {
	position: fixed;
	top: 0;
	left: 0;
	width: 100vw;
	height: 100vh;
	background-image: linear-gradient(180deg, rgba(0,0,0,0) 15%, rgb(0, 0, 0) 40%, rgb(0, 0, 0) 60%, rgba(0,0,0,0) 85%);
	background-size: 100vw .2em;
	background-repeat: repeat;
	opacity: .5;
	pointer-events: none;
	animation: linear .05s infinite alternate overlay-flicker;
	mix-blend-mode: overlay;
}

@keyframes overlay-flicker {
	from {
		opacity: .5;
	}
	to {
		opacity: .6;
	}
}