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html

<div class="wrapper">
	<h2 class="holidays-title">Happy Holidays!</h2>
	<div class="scene">
		<div class="xmas-tree">
			<div class="tree-star">
			</div>
			<div class="tree-leaves">
				<div class="tree-part">
					<div class="tree-lights left">
						<div class="light-bulb red"></div>
						<div class="light-bulb yew"></div>
						<div class="light-bulb purple"></div>
						<div class="light-bulb blue"></div>
					</div>
					<div class="tree-lights right">
						<div class="light-bulb red"></div>
						<div class="light-bulb yew"></div>
						<div class="light-bulb purple"></div>
						<div class="light-bulb blue"></div>
					</div>
				</div>
				<div class="tree-part">
					<div class="tree-lights left">
						<div class="light-bulb red"></div>
						<div class="light-bulb yew"></div>
						<div class="light-bulb purple"></div>
						<div class="light-bulb blue"></div>
					</div>
					<div class="tree-lights right">
						<div class="light-bulb red"></div>
						<div class="light-bulb yew"></div>
						<div class="light-bulb purple"></div>
						<div class="light-bulb blue"></div>
					</div>
				</div>
				<div class="tree-part">
					<div class="tree-lights left">
						<div class="light-bulb red"></div>
						<div class="light-bulb yew"></div>
						<div class="light-bulb purple"></div>
						<div class="light-bulb blue"></div>
					</div>
					<div class="tree-lights right">
						<div class="light-bulb red"></div>
						<div class="light-bulb yew"></div>
						<div class="light-bulb purple"></div>
						<div class="light-bulb blue"></div>
					</div>
				</div>
			</div>
			<div class="tree-base">
				<div class="tree-stalk"></div>
				<div class="tree-jar"></div>
			</div>
		</div>
		<div class="room-window">
			<div class="xmas-sky">
				<div class="snow"></div>
				<div class="snow-ground"></div>
				<div class="santa-claus">
					<div class="sc-head">
						<div class="sc-hat">
							<div class="hat-tip"></div>
						</div>
						<div class="eyes"></div>
						<div class="nose"></div>
						<div class="beard"></div>
						<div class="ears">
							<div class="ear left"></div>
							<div class="ear right"></div>
						</div>
					</div>
					<div class="sc-body"></div>
				</div>
			</div>
		</div>
		<div class="xmas-gifts">
			<div class="xmas-gift square">
				<div class="tie-wrap">
					<div class="tie"></div>
					<div class="tie reflected"></div>
				</div>
			</div>
			<div class="xmas-gift rectangular">
				<div class="tie-wrap">
					<div class="tie"></div>
					<div class="tie reflected"></div>
				</div>
			</div>
		</div>
	</div>
	
	<div class="ground"></div>
</div>

css

@import url("https://fonts.googleapis.com/css?family=Mountains+of+Christmas:700");
body, html {
  height: 100%;
}

body {
  background: #e9e0ca;
}

.holidays-title {
  font-family: "Mountains of Christmas", cursive;
  font-size: 3em;
  background: #fff;
  padding: 20px;
  border-radius: 20px;
  box-shadow: 2px 2px 1px 1px rgba(0, 0, 0, 0.14);
  position: relative;
  opacity: 0;
  animation: balloon 6s ease-in-out infinite;
}
.holidays-title::before {
  position: absolute;
  content: "";
  width: 0;
  height: 0;
  border-left: 30px solid transparent;
  border-right: 0 solid transparent;
  border-top: 40px solid #fff;
  bottom: -31px;
  right: 33px;
  transform: rotateZ(-20deg);
}

.wrapper {
  margin: 0;
  display: flex;
  height: inherit;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.sc-hat, .sc-head .ears, .sc-head .beard::before, .sc-head .nose, .room-window::after, .room-window::before, .tree-jar, .tree-stalk {
  display: table;
  margin: 0 auto;
}

.tie-wrap::after, .tie-wrap::before {
  position: absolute;
  content: "";
  width: 0;
  height: 0;
  border-left: 17px solid transparent;
  border-right: 0 solid transparent;
  border-bottom: 40px solid yellow;
  left: 21px;
  top: 5px;
}

.ground {
  background: rgba(0, 0, 0, 0.12);
  width: calc(100vw - 20%);
  height: 70px;
  border-radius: 50%;
  display: table;
}

.scene {
  max-width: calc(100vw - 30%);
  min-width: 640px;
  position: relative;
}

.xmas-tree {
  position: relative;
  top: 80px;
  float: left;
}

.tree-star {
  position: absolute;
  top: 0;
  left: 40%;
  z-index: 4;
}
.tree-star::before {
  content: "";
  position: absolute;
  bottom: -16px;
  width: 0;
  height: 0;
  border-left: 15px solid transparent;
  border-right: 15px solid transparent;
  border-bottom: 25px solid #fcd000;
  box-shadow: 1px 19px 20px -7px #1d5022;
}
.tree-star::after {
  content: "";
  position: absolute;
  top: 0;
  width: 0;
  height: 0;
  border-left: 15px solid transparent;
  border-right: 15px solid transparent;
  border-top: 25px solid #fcd000;
}

.tree-part {
  width: 0;
  height: 0;
  border-left: 80px solid transparent;
  border-right: 80px solid transparent;
  border-bottom: 100px solid #49bd55;
  position: relative;
  z-index: 3;
}
.tree-part::before {
  content: "";
  position: absolute;
  width: 160px;
  background-repeat: repeat;
  height: 15px;
  background-size: 20px 20px;
  background-image: radial-gradient(circle at 10px 15px, #3fae4a 12px, transparent 13px);
  top: 99px;
  left: -80px;
  transform: rotateX(180deg);
}
.tree-part:nth-child(2) {
  border-bottom-color: #31883a;
  transform: scale(1.4);
  top: -45px;
  z-index: 2;
}
.tree-part:nth-child(2)::before {
  background-image: radial-gradient(circle at 10px 15px, #389b42 12px, transparent 13px);
}
.tree-part:nth-child(3) {
  border-bottom-color: #2b7532;
  transform: scale(1.8);
  top: -80px;
  z-index: 1;
}
.tree-part:nth-child(3)::before {
  background-image: radial-gradient(circle at 10px 15px, #31883a 12px, transparent 13px);
}

.tree-stalk {
  width: 25px;
  height: 75px;
  background: #7b652d;
  box-shadow: inset 0 22px 6px -1px #302812;
  position: relative;
  top: -40px;
}

.tree-jar {
  width: 80px;
  position: relative;
  top: -40px;
  left: 2px;
}
.tree-jar::before {
  content: "";
  width: 96px;
  height: 20px;
  float: left;
  background: #584444;
  box-shadow: 0 3px 2px -1px #4a3939;
  position: relative;
  border-radius: 2px;
  left: -3px;
}
.tree-jar::after {
  content: "";
  border-top: 50px solid #755a5a;
  border-left: 20px solid transparent;
  border-right: 20px solid transparent;
  height: 0;
  width: 50px;
  float: left;
}

.tree-lights {
  width: 120px;
  height: 20px;
  border-radius: 50%;
  box-shadow: 0 3px 0 -1px #000;
}
.tree-lights.left {
  transform: rotateZ(-20deg);
  position: relative;
  left: -73px;
  top: 41px;
}
.tree-lights.right {
  transform: rotateY(180deg) rotateZ(-20deg);
  position: relative;
  left: -43px;
  top: 31px;
}

.light-bulb {
  width: 8px;
  height: 3px;
  background: black;
  margin: 20px;
  border-radius: 20% 50%;
  position: absolute;
  animation: 1s cubic-bezier(0.39, 0.58, 0.57, 1) infinite;
}
.light-bulb.red {
  background: #de3939;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.14), 0 2px 6px 2px #de3939;
  transform: rotateZ(-73deg);
  top: 2px;
  left: -9px;
  animation-name: blink;
}
.light-bulb.yew {
  background: #69e622;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.14), 0 2px 6px 2px #69e622;
  transform: rotateZ(-86deg);
  top: 6px;
  left: 20px;
  animation-name: blink2;
}
.light-bulb.purple {
  background: #9c6aff;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.14), 0 2px 6px 2px #9c6aff;
  transform: rotateZ(-96deg);
  top: 6px;
  left: 50px;
  animation-name: blink3;
}
.light-bulb.blue {
  background: #0ebeff;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.14), 0 2px 6px 2px #0ebeff;
  transform: rotateZ(-106deg);
  top: 3px;
  left: 75px;
  animation-name: blink4;
}

.room-window {
  width: 340px;
  height: 300px;
  border: 10px solid #ccaa53;
  box-shadow: 4px 5px 2px 0px rgba(182, 146, 54, 0.3);
  float: right;
  overflow: hidden;
  position: relative;
}
.room-window::before {
  content: "";
  background: #ccaa53;
  box-shadow: 1px 0 1px 1px #a28230;
  width: 10px;
  height: inherit;
  position: absolute;
  left: 48%;
  z-index: 1;
}
.room-window::after {
  content: "";
  background: #ccaa53;
  width: inherit;
  height: 10px;
  position: absolute;
  top: 48%;
  z-index: 1;
}
.room-window .xmas-sky {
  background: linear-gradient(0deg, #153d54, #061117);
  width: 100%;
  height: 100%;
  position: absolute;
}

.snow-ground {
  width: 455px;
  height: 105px;
  background: linear-gradient(0deg, #fff, #ccf0fd);
  border-radius: 40%;
  position: absolute;
  bottom: -44px;
  left: -24px;
  transform: rotateZ(-6deg);
}

.xmas-gifts {
  position: absolute;
  bottom: -41px;
  left: 176px;
}

.xmas-gift {
  border-radius: 4px;
}
.xmas-gift::before {
  content: "";
  width: 100%;
  height: 10px;
  background: yellow;
  box-shadow: -30px 0 0 0 #d6d600;
  display: block;
  position: relative;
  top: 35px;
}
.xmas-gift::after {
  content: "";
  width: 10px;
  height: inherit;
  background: yellow;
  display: block;
  position: relative;
  top: -10px;
  margin: auto;
}
.xmas-gift.square {
  width: 80px;
  height: 80px;
  background: #ff54cf;
  box-shadow: -30px 0 0 0 #ed00aa;
  position: relative;
  z-index: 1;
}
.xmas-gift.rectangular {
  width: 60px;
  height: 120px;
  background: #0ebeff;
  box-shadow: -30px 0 0 0 #008dc1;
  position: absolute;
  top: -50px;
  left: 100px;
}

.tie-wrap {
  position: absolute;
  top: -20px;
  left: -6px;
  min-width: 82px;
}
.tie-wrap .tie, .tie-wrap .tie::before {
  width: 40px;
  height: 20px;
  background: yellow;
  border-radius: 50% 50% 20% 20%;
  float: left;
  z-index: 1;
  position: relative;
}
.tie-wrap .tie::before {
  content: "";
  background: #cccc00;
  transform: scale(0.5) translateX(15px) translateY(8px);
}
.tie-wrap .tie.reflected, .tie-wrap .reflected.tie::before {
  transform: rotateY(180deg);
}
.tie-wrap .tie.reflected::before {
  transform: scale(0.5) translateX(2px) translateY(8px);
}
.tie-wrap::after {
  transform: rotateY(180deg);
  left: 54px;
}

.rectangular .tie-wrap {
  left: -16px;
}

.santa-claus {
  margin: 40px;
  animation: santa-claus 6s ease-in infinite;
}

.sc-head {
  width: 80px;
  height: 80px;
  border-radius: 40%;
  background: #f7caaf;
  position: relative;
  z-index: 2;
}
.sc-head .eyes {
  position: absolute;
  left: 2px;
  top: 20px;
  display: table;
  margin: 0 auto;
}
.sc-head .eyes::before, .sc-head .eyes::after {
  content: "";
  width: 8px;
  height: 8px;
  background: #000;
  border-radius: 50%;
  display: inline-block;
  margin: 0 15px;
}
.sc-head .nose {
  width: 20px;
  height: 13px;
  border-radius: 50%;
  background: #d48c7e;
  top: 32px;
  position: relative;
}
.sc-head .beard {
  position: absolute;
  bottom: -45px;
  left: -10px;
  background: #fff;
  width: calc(100% + 20px);
  height: 80px;
  border-radius: 20% 20% 60% 60%;
}
.sc-head .beard::before {
  content: "";
  width: 20px;
  height: 20px;
  background: #000;
  border-radius: 0 0 50% 50%;
  margin-top: 6px;
}
.sc-head .ears {
  width: calc(100% + 17px);
  position: absolute;
  top: 25px;
  left: -8px;
}
.sc-head .ears .ear {
  width: 10px;
  height: 20px;
  background: #d48c7e;
  border-radius: 50% 0 0 50%;
}
.sc-head .ears .ear.left {
  float: left;
}
.sc-head .ears .ear.right {
  float: right;
  transform: rotateZ(180deg);
}

.sc-hat {
  position: absolute;
  top: -37px;
  left: -6px;
  width: calc(100% + 10px);
  height: 55px;
  background: #de3939;
  border-radius: 60px 80px 0 0;
}
.sc-hat::before {
  content: "";
  width: inherit;
  height: 20px;
  background: #fff;
  display: block;
  border-radius: 6px;
  position: absolute;
  bottom: -5px;
  left: -4px;
}
.sc-hat .hat-tip {
  width: 0;
  height: 0;
  border-left: 20px solid transparent;
  border-right: 20px solid transparent;
  border-bottom: 69px solid #de3939;
  position: absolute;
  top: -37px;
  animation: swing 2s cubic-bezier(0.45, 0.05, 0.55, 0.95) infinite;
  left: 8px;
}
.sc-hat .hat-tip::before {
  content: "";
  width: 20px;
  height: 20px;
  background: #fff;
  border-radius: 50%;
  display: block;
  position: absolute;
  left: -13px;
  top: -10px;
}

.sc-body {
  position: absolute;
  left: -70px;
  width: 200px;
  height: 200px;
  background: #de3939;
  border-radius: 30%;
}

.snow, .snow:before, .snow:after {
  position: absolute;
  top: -600px;
  left: 0;
  bottom: 0;
  right: 0;
  background-image: radial-gradient(5px 5px at 480px 463px, rgba(255, 255, 255, 0.8) 70%, rgba(0, 0, 0, 0)), radial-gradient(4px 4px at 64px 98px, white 70%, rgba(0, 0, 0, 0)), radial-gradient(3px 3px at 488px 304px, rgba(255, 255, 255, 0.6) 70%, rgba(0, 0, 0, 0)), radial-gradient(3px 3px at 559px 99px, rgba(255, 255, 255, 0.6) 70%, rgba(0, 0, 0, 0)), radial-gradient(3px 3px at 485px 31px, rgba(255, 255, 255, 0.7) 70%, rgba(0, 0, 0, 0)), radial-gradient(4px 4px at 591px 344px, rgba(255, 255, 255, 0.8) 70%, rgba(0, 0, 0, 0)), radial-gradient(3px 3px at 396px 20px, rgba(255, 255, 255, 0.7) 70%, rgba(0, 0, 0, 0)), radial-gradient(4px 4px at 32px 10px, rgba(255, 255, 255, 0.6) 70%, rgba(0, 0, 0, 0)), radial-gradient(4px 4px at 23px 500px, rgba(255, 255, 255, 0.6) 70%, rgba(0, 0, 0, 0)), radial-gradient(5px 5px at 544px 592px, rgba(255, 255, 255, 0.9) 70%, rgba(0, 0, 0, 0)), radial-gradient(4px 4px at 558px 328px, rgba(255, 255, 255, 0.6) 70%, rgba(0, 0, 0, 0)), radial-gradient(3px 3px at 528px 157px, rgba(255, 255, 255, 0.7) 70%, rgba(0, 0, 0, 0)), radial-gradient(3px 3px at 403px 337px, white 70%, rgba(0, 0, 0, 0)), radial-gradient(3px 3px at 85px 171px, rgba(255, 255, 255, 0.6) 70%, rgba(0, 0, 0, 0)), radial-gradient(4px 4px at 589px 104px, rgba(255, 255, 255, 0.6) 70%, rgba(0, 0, 0, 0)), radial-gradient(5px 5px at 274px 452px, rgba(255, 255, 255, 0.8) 70%, rgba(0, 0, 0, 0)), radial-gradient(4px 4px at 546px 152px, rgba(255, 255, 255, 0.9) 70%, rgba(0, 0, 0, 0)), radial-gradient(3px 3px at 421px 536px, rgba(255, 255, 255, 0.9) 70%, rgba(0, 0, 0, 0)), radial-gradient(3px 3px at 148px 166px, rgba(255, 255, 255, 0.9) 70%, rgba(0, 0, 0, 0)), radial-gradient(5px 5px at 172px 307px, white 70%, rgba(0, 0, 0, 0)), radial-gradient(3px 3px at 57px 29px, rgba(255, 255, 255, 0.7) 70%, rgba(0, 0, 0, 0)), radial-gradient(5px 5px at 369px 421px, rgba(255, 255, 255, 0.6) 70%, rgba(0, 0, 0, 0)), radial-gradient(4px 4px at 543px 380px, white 70%, rgba(0, 0, 0, 0)), radial-gradient(3px 3px at 523px 137px, rgba(255, 255, 255, 0.7) 70%, rgba(0, 0, 0, 0)), radial-gradient(4px 4px at 510px 495px, rgba(255, 255, 255, 0.8) 70%, rgba(0, 0, 0, 0)), radial-gradient(5px 5px at 406px 449px, rgba(255, 255, 255, 0.6) 70%, rgba(0, 0, 0, 0)), radial-gradient(3px 3px at 424px 63px, rgba(255, 255, 255, 0.8) 70%, rgba(0, 0, 0, 0)), radial-gradient(5px 5px at 237px 586px, rgba(255, 255, 255, 0.8) 70%, rgba(0, 0, 0, 0)), radial-gradient(4px 4px at 220px 303px, rgba(255, 255, 255, 0.6) 70%, rgba(0, 0, 0, 0)), radial-gradient(4px 4px at 297px 73px, rgba(255, 255, 255, 0.7) 70%, rgba(0, 0, 0, 0)), radial-gradient(5px 5px at 129px 163px, rgba(255, 255, 255, 0.7) 70%, rgba(0, 0, 0, 0)), radial-gradient(5px 5px at 310px 130px, rgba(255, 255, 255, 0.6) 70%, rgba(0, 0, 0, 0)), radial-gradient(3px 3px at 159px 209px, white 70%, rgba(0, 0, 0, 0)), radial-gradient(4px 4px at 536px 61px, rgba(255, 255, 255, 0.8) 70%, rgba(0, 0, 0, 0)), radial-gradient(4px 4px at 396px 513px, rgba(255, 255, 255, 0.8) 70%, rgba(0, 0, 0, 0)), radial-gradient(5px 5px at 355px 298px, rgba(255, 255, 255, 0.6) 70%, rgba(0, 0, 0, 0)), radial-gradient(3px 3px at 422px 110px, white 70%, rgba(0, 0, 0, 0)), radial-gradient(5px 5px at 10px 306px, white 70%, rgba(0, 0, 0, 0)), radial-gradient(4px 4px at 393px 275px, rgba(255, 255, 255, 0.6) 70%, rgba(0, 0, 0, 0)), radial-gradient(4px 4px at 378px 320px, rgba(255, 255, 255, 0.6) 70%, rgba(0, 0, 0, 0)), radial-gradient(3px 3px at 417px 504px, rgba(255, 255, 255, 0.6) 70%, rgba(0, 0, 0, 0)), radial-gradient(5px 5px at 450px 538px, rgba(255, 255, 255, 0.9) 70%, rgba(0, 0, 0, 0)), radial-gradient(5px 5px at 345px 195px, rgba(255, 255, 255, 0.7) 70%, rgba(0, 0, 0, 0)), radial-gradient(3px 3px at 189px 299px, rgba(255, 255, 255, 0.7) 70%, rgba(0, 0, 0, 0)), radial-gradient(3px 3px at 433px 284px, rgba(255, 255, 255, 0.8) 70%, rgba(0, 0, 0, 0)), radial-gradient(3px 3px at 489px 15px, rgba(255, 255, 255, 0.6) 70%, rgba(0, 0, 0, 0)), radial-gradient(5px 5px at 258px 273px, rgba(255, 255, 255, 0.8) 70%, rgba(0, 0, 0, 0)), radial-gradient(5px 5px at 116px 109px, rgba(255, 255, 255, 0.8) 70%, rgba(0, 0, 0, 0)), radial-gradient(4px 4px at 277px 390px, rgba(255, 255, 255, 0.6) 70%, rgba(0, 0, 0, 0)), radial-gradient(4px 4px at 558px 197px, rgba(255, 255, 255, 0.6) 70%, rgba(0, 0, 0, 0)), radial-gradient(4px 4px at 401px 288px, rgba(255, 255, 255, 0.8) 70%, rgba(0, 0, 0, 0)), radial-gradient(4px 4px at 69px 114px, rgba(255, 255, 255, 0.8) 70%, rgba(0, 0, 0, 0)), radial-gradient(3px 3px at 104px 355px, rgba(255, 255, 255, 0.9) 70%, rgba(0, 0, 0, 0)), radial-gradient(5px 5px at 432px 32px, rgba(255, 255, 255, 0.9) 70%, rgba(0, 0, 0, 0)), radial-gradient(3px 3px at 368px 155px, rgba(255, 255, 255, 0.8) 70%, rgba(0, 0, 0, 0)), radial-gradient(4px 4px at 462px 9px, rgba(255, 255, 255, 0.8) 70%, rgba(0, 0, 0, 0)), radial-gradient(4px 4px at 445px 196px, rgba(255, 255, 255, 0.7) 70%, rgba(0, 0, 0, 0)), radial-gradient(4px 4px at 170px 207px, rgba(255, 255, 255, 0.8) 70%, rgba(0, 0, 0, 0)), radial-gradient(4px 4px at 445px 237px, rgba(255, 255, 255, 0.8) 70%, rgba(0, 0, 0, 0)), radial-gradient(5px 5px at 156px 524px, white 70%, rgba(0, 0, 0, 0)), radial-gradient(4px 4px at 33px 174px, rgba(255, 255, 255, 0.9) 70%, rgba(0, 0, 0, 0)), radial-gradient(3px 3px at 244px 509px, rgba(255, 255, 255, 0.8) 70%, rgba(0, 0, 0, 0)), radial-gradient(4px 4px at 261px 538px, rgba(255, 255, 255, 0.6) 70%, rgba(0, 0, 0, 0)), radial-gradient(4px 4px at 345px 538px, rgba(255, 255, 255, 0.6) 70%, rgba(0, 0, 0, 0)), radial-gradient(5px 5px at 324px 322px, rgba(255, 255, 255, 0.9) 70%, rgba(0, 0, 0, 0)), radial-gradient(4px 4px at 10px 515px, rgba(255, 255, 255, 0.7) 70%, rgba(0, 0, 0, 0)), radial-gradient(5px 5px at 580px 70px, rgba(255, 255, 255, 0.9) 70%, rgba(0, 0, 0, 0)), radial-gradient(3px 3px at 561px 433px, white 70%, rgba(0, 0, 0, 0)), radial-gradient(4px 4px at 153px 445px, rgba(255, 255, 255, 0.9) 70%, rgba(0, 0, 0, 0)), radial-gradient(3px 3px at 584px 492px, rgba(255, 255, 255, 0.6) 70%, rgba(0, 0, 0, 0));
  background-size: 600px 600px;
  animation: snow 4s linear infinite;
  content: "";
}

.snow:after {
  margin-left: -200px;
  opacity: 0.4;
  animation-duration: 8s;
  animation-direction: reverse;
  filter: blur(3px);
}

.snow:before {
  animation-duration: 12s;
  animation-direction: reverse;
  margin-left: -300px;
  opacity: 0.65;
  filter: blur(1.5px);
}

@keyframes snow {
  to {
    transform: translateY(600px);
  }
}
@keyframes blink {
  20% {
    background: #eb8888;
  }
}
@keyframes blink2 {
  60% {
    background: white;
  }
}
@keyframes blink3 {
  75% {
    background: #d9c6ff;
  }
}
@keyframes blink4 {
  100% {
    background: #a7e7ff;
  }
}
@keyframes santa-claus {
  0%, 60%, 80%, 100% {
    transform: rotateZ(195deg) translateY(0);
  }
  30% {
    transform: rotateZ(195deg) translateY(300px);
  }
}
@keyframes swing {
  0%, 100% {
    transform: rotateZ(-42deg);
  }
  50% {
    transform: rotateZ(0deg);
  }
}
@keyframes balloon {
  0%, 50%, 100% {
    opacity: 0;
    transform: translateY(0px);
  }
  80%, 90% {
    opacity: 1;
    transform: translateY(-15px);
  }
}

JavaScript

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