​x
 
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<!doctype html>
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<title>Example</title>
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<style>
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#grid {
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  display: grid;
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  grid-template-columns: 1fr 1fr 1fr;
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  grid-gap: 1px;
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}
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#grid > div {
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  background-color: orangered;
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  color: white;
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  font-size: 4vw;
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  padding: 10px;
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}
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#grid > div:first-child {
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  grid-row-start: 2;
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  animation: myAnimation 1s ease 1s 5 alternate forwards;
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  background: limegreen;
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  }
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​
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@keyframes myAnimation {
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  100% {
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  grid-row-start: 3;
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  }
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</style>
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<div id="grid">
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  <div>1</div>
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  <div>2</div>
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  <div>3</div>
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  <div>4</div>
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  <div>5</div>
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  <div>6</div>
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  <div>7</div>
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  <div>8</div>
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  <div>9</div>
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</div>