Code Playground

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>//
	based on my pens 
		https://codepen.io/ghaste/pen/gOBwpMy
		https://codepen.io/ghaste/pen/NWVpYmv

.snowy 
	p Oh, the weather outside is frightful
		br 
		| But the 
		span.fire fire
		|  is so delightful
		br
		| And since we've no place to go
		br
		| Let it snow! Let it snow! Let it snow!
img.img(
	src="https://images.unsplash.com/photo-1498335746477-0c73d7353a07?q=80&w=2185&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D",
	alt="Empire State Building on a white background"
)
svg.snow(xmlns="http://www.w3.org/2000/svg")
	filter#starf
		feturbulence#starturb(basefrequency="0.05", seed="0")
			animate(
				attributeName="seed",
				from="0",
				to="600",
				dur="120s",
				repeatCount="indefinite"
			)
		fecolormatrix(
			values='0 0 0 9 -5 \
																																										              0 0 0 9 -5\
																																										              0 0 0 9 -5\
																																										              0 0 0 0 .5'
		)
	rect(width="100%", height="100%", filter="url(#starf)", fill="red")

//
	based on my pens 
		https://codepen.io/ghaste/pen/gOBwpMy
		https://codepen.io/ghaste/pen/NWVpYmv

</body>
</html>

@charset "UTF-8";
@import url(https://fonts.googleapis.com/css?family=Nunito+Sans:300,400,600,700,800);
*,
:after,
:before {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}
@import url("https://fonts.googleapis.com/css2?family=Ms+Madi&display=swap");
@font-face {
	src: url("https://www.axis-praxis.org/fonts/webfonts/MetaVariableDemo-Set.woff2")
		format("woff2");
	font-family: "Meta";
	font-style: normal;
	font-weight: normal;
}
body {
	margin: 0;
	min-height: 100vh;
	background-color: #1f2020;
	display: grid;
	place-content: center;
	font-family: "Ms Madi", cursive;
}
.snow {
	position: fixed;
	pointer-events: none;
	top: 0;
	left: 0;
	width: 100vw;
	height: 100vh;
	z-index: -1;
}
.fire {
	//svg from https://codepen.io/leimapapa/pen/xxrLgvq
	background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" height="100%" width="100%"><defs><filter id="fire"><feTurbulence baseFrequency="0.01" numOctaves="6" seed="1" /><feColorMatrix type="hueRotate" values="0" result="cm"><animate attributeName="values" from="0" to="360" dur="10s" repeatCount="indefinite" /></feColorMatrix><feColorMatrix type="matrix" values="0.5 4.9 -5 -4.2 2.9 1 3 -3.4 -0.6 0.2 -0.2 1 -1.1 2.8 -2.2 3.2 2.6 -0.5 1 0.2" /></filter></defs><rect width="100%" height="100%" filter="url(%23fire)"></rect></svg>');
	background-clip: text;
	-webkit-background-clip: text;
	color: #0000;
	font-family: "Meta";
	font-style: italic;
	font-variation-settings: "wght" 900, "ital" 1;
	//-webkit-text-stroke: .025em #9005;
	//text-shadow: 0 0 1em #f90;
	mix-blend-mode: color-dodge;
}
.snowy {
	font-size: clamp(1rem, 3vw + 1rem, 10rem);
	color: #fffc;
	mix-blend-mode: exclusion;
	font-weight: 900;
	p {
		margin: 0;
		padding: 0;
		line-height: 1.5;
		text-align: justify;
	}
}

.img {
	position: fixed;
	pointer-events: none;
	top: 0;
	left: 0;
	width: 100vw;
	height: 100vh;
	mix-blend-mode: overlay;
	object-fit: cover;
	object-position: 50% 0;
}

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