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</svg>
</div>
<div class="lights">
<svg version="1.1"
xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 500 630">
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y="117.535">•</tspan><tspan x="-13.992" y="118.77">•</tspan><tspan x="-37.606" y="120.688">•</tspan><tspan x="-58.625" y="127.756">•</tspan><tspan x="-36.995" y="136.588">•</tspan><tspan x="-13.654" y="140.668">•</tspan><tspan x="9.886" y="143.42">•</tspan><tspan x="33.5" y="145.536">•</tspan><tspan x="57.15" y="147.335">•</tspan><tspan x="80.815" y="149.053">•</tspan><tspan x="104.441" y="150.979">•</tspan><tspan x="127.942" y="153.912">•</tspan><tspan x="129" y="164.006">•</tspan><tspan x="105.954" y="169.612">•</tspan><tspan x="82.601" y="173.709">•</tspan><tspan x="59.175" y="177.233">•</tspan><tspan x="35.675" y="180.497">•</tspan><tspan x="12.179" y="183.663">•</tspan><tspan x="-11.315" y="186.864">•</tspan><tspan x="-34.784" y="190.233">•</tspan><tspan x="-58.194" y="193.981">•</tspan><tspan x="-81.471" y="198.543">•</tspan><tspan x="-103.972" y="205.797">•</tspan><tspan x="-94.517" y="218.954">•</tspan><tspan x="-70.924" y="221.329">•</tspan><tspan x="-47.257" 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</svg>
</div>
<div class="snowfall">
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</div>
<div class="codepen">
</div>
<div class="yeti-claws">
<div class="claw"></div>
<div class="claw"></div>
<div class="claw"></div>
<div class="claw"></div>
<div class="claw"></div>
<div class="claw"></div>
</div>
$lightRed: rgb(252, 45, 42);
$lightBlue: rgb(52, 45, 242);
$lightOrange: rgb(252, 245, 42);
$lightGreen: rgb(52, 245, 42);
$lightPurple: rgb(252, 45, 242);
$sky: #223355;
$skyHorizon: #222;
$yeti: #A4BBDC;
$farRangeTree: grayscale(.33) brightness(.9) opacity(.6);
$midRangeTree: grayscale(.33) brightness(.9);
$closeRangeTree: brightness(.9);
$lightsOut: brightness(.4) opacity(.85);
$starOut: brightness(.5);
$lightsOn: brightness(1.3);
$lightDuration: .145s;
body {
background: linear-gradient(to bottom, $sky, $skyHorizon 40%, #fff 50%, #fff);
overflow: hidden;
height: 100vh;
width: 100%;
user-select: none;
padding: 0;
margin: 0;
}
tspan {
font-size: 48px;
font-family: sans-serif;
fill: $lightRed;
&:nth-of-type(5n + 5) {
fill: $lightPurple;
}
&:nth-of-type(5n + 4) {
fill: $lightBlue;
}
&:nth-of-type(5n + 3) {
fill: $lightOrange;
}
&:nth-of-type(5n + 2) {
fill: $lightGreen;
}
}
.tree {
filter: brightness(90%);
transition: filter $lightDuration ease-in-out;
path {
stroke: #336833;
}
.huzzah & {
filter: brightness(105%);
}
}
.tree, .lights, .lights-blur, .star, .star-blur {
position: absolute;
bottom: 5%;
left: 50%;
transform: translateX(-50%);
width: 60vmin;
//max-height: 100vmin;
z-index: 100;
svg {
max-width: 100%;
}
}
.star {
filter: $starOut;
transition: filter $lightDuration ease-in-out;
.huzzah & {
filter: $lightsOn;
}
}
.lights {
filter: $lightsOut;
transition: filter $lightDuration ease-in-out;
.huzzah & {
filter: $lightsOn;
}
}
.lights-blur {
opacity: 0;
transition: filter $lightDuration ease-in-out,
opacity $lightDuration ease-in-out;
.huzzah & {
opacity: 1;
filter: $lightsOn blur(3px);
}
}
.forest {
filter: grayscale(.33);
position: absolute;
width: 100%;
top: 50%;
.back-tree {
position: absolute;
top: 50%;
left: 0;
width: 60vmin;
transform-origin: 0 0;
&:nth-of-type(1) {
transform: translate3d(-10vw, -50%, 0) scale(.5);
z-index: 50;
filter: $farRangeTree;
}
&:nth-of-type(2) {
transform: translate3d(0, -50%, 0) scale(.67);
z-index: 67;
}
&:nth-of-type(3) {
transform: translate3d(10vw, -50%, 0) scale(.45);
z-index: 45;
filter: $farRangeTree;
}
&:nth-of-type(4) {
transform: translate3d(18vw, -48%, 0) scale(.56);
z-index: 56;
filter: $midRangeTree;
}
&:nth-of-type(5) {
transform: translate3d(28vw, -50%, 0) scale(.5);
z-index: 50;
filter: $farRangeTree;
}
&:nth-of-type(6) {
transform: translate3d(37vw, -50%, 0) scale(.66);
z-index: 66;
}
&:nth-of-type(7) {
transform: translate3d(36vw, -50%, 0) scale(.54);
z-index: 54;
filter: $midRangeTree;
}
&:nth-of-type(8) {
transform: translate3d(49vw, -50%, 0) scale(.46);
z-index: 46;
filter: $farRangeTree;
}
&:nth-of-type(9) {
transform: translate3d(57vw, -50%, 0) scale(.69);
z-index: 69;
}
&:nth-of-type(10) {
transform: translate3d(66vw, -50%, 0) scale(.55);
z-index: 55;
filter: $midRangeTree;
}
&:nth-of-type(11) {
transform: translate3d(72vw, -50%, 0) scale(.49);
z-index: 49;
filter: $farRangeTree;
}
&:nth-of-type(12) {
transform: translate3d(80vw, -50%, 0) scale(.6);
z-index: 60;
filter: $midRangeTree;
}
&:nth-of-type(13) {
transform: translate3d(88vw, -50%, 0) scale(.56);
z-index: 56;
filter: $midRangeTree;
}
&:nth-of-type(14) {
transform: translate3d(96vw, -50%, 0) scale(.48);
z-index: 48;
filter: $farRangeTree;
}
&:nth-of-type(15) {
transform: translate3d(100vw, -50%, 0) scale(.56);
z-index: 56;
}
&:nth-of-type(16) {
transform: translate3d(109vw, -50%, 0) scale(.6);
z-index: 60;
}
}
}
.snow {
width: 1rem;
height: 1rem;
background: #fff;
border-radius: 50%;
display: inline-block;
position: absolute;
top: -1rem;
left: 0;
z-index: 150;
}
.yeti {
position: absolute;
bottom: -270px;
left: 40px;
width: 300px;
z-index: 200;
transform: translate3d(0, 100%, 0);
will-change: transform;
transition: transform .6s 0s ease-in;
.huzzah & {
transform: translate3d(0, 0%, 0);
transition: transform 6s 1s ease-out;
circle {
animation: shifty 9s alternate infinite ease-in-out both;
}
}
}
.yeti-claws {
position: absolute;
bottom: 0;
left: 20px;
width: 280px;
will-change: transform;
.claw {
display: inline-block;
float: left;
width: 1rem;
height: 1rem;
background: $yeti;
border-radius: 50%;
&:nth-of-type(odd) {
float: right;
}
}
.huzzah & {
animation: clawy 3s 1s normal ease-in-out both,
clawy2 3s 3s normal linear both;
//z-index:220;
}
}
@keyframes shifty {
54% {
transform: translate3d(0px, 0, 0);
}
80% {
transform: translate3d(-20px, 0, 0);
}
}
@keyframes clawy {
0% {
transform: translate3d(0px, 0, 0);
}
50% {
transform: translate3d(0px, -16px, 0);
}
80%, 100% {
transform: translate3d(0px, -8px, 0);
}
}
@keyframes clawy2 {
69%, 70%, 100% {
z-index: 240;
}
}
.codepen {
position: absolute;
bottom: 0;
width: 100%;
height: 1rem;
background: #343436;
z-index: 210;
}
.glow-screen {
position: absolute;
z-index: 90;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: radial-gradient(circle at 50% 50%, transparent, #444);
opacity: 0;
transition: opacity $lightDuration ease-in-out;
.huzzah & {
opacity: .2;
//filter: brightness(2);
}
}
var snowPlayers = [];
makeItSnow();
if (window.PointerEvent) {
document.body.addEventListener('pointerenter', lightUp, false);
document.body.addEventListener('pointerleave', dim, false);
} else {
document.body.addEventListener('mouseenter', lightUp, false);
document.body.addEventListener('touchstart', lightUp, false);
document.body.addEventListener('touchend', dim, false);
document.body.addEventListener('mouseleave', dim, false);
}
document.body.addEventListener('keydown', lightUp, false);
document.body.addEventListener('keyup', dim, false);
function lightUp(e) {
e.preventDefault();
document.body.classList.add('huzzah');
if (snowPlayers.length && snowPlayers[0].playbackRate < 2) {
snowPlayers.forEach(function(item) {
item.playbackRate = item.playbackRate * 1.05;
})
}
}
function dim(e) {
e.preventDefault();
document.body.classList.remove('huzzah');
}
function makeItSnow() {
var snows = document.querySelectorAll('.snow');
if (!snows[0].animate) {
return false;
}
for (var i = 0, len = snows.length; i < len; ++i) {
var snowball = snows[i];
var scale = Math.random() * .8 + .2;
var player = snowball.animate([
{ transform: 'translate3d(' + (i/len*100) + 'vw,0,0) scale(' + scale + ')', opacity: scale },
{ transform: 'translate3d(' + (i/len*100 + 10) + 'vw,100vh,0) scale(' + scale + ')', opacity: scale }
], {
duration: Math.random() * 3000 + 2000,
iterations: Infinity,
delay: -(Math.random() * 5000)
});
snowPlayers.push(player);
}
}
Also see: Tab Triggers