​x
 
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<!DOCTYPE html>
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<title>Example</title>
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<style>
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.animated {
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  font: 100 2em sans-serif;
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  letter-spacing: -2em;
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  animation: myAnimation 1s ease 1s 5 alternate forwards;
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}
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​
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@keyframes myAnimation {
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  100% {
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    letter-spacing: 1em;
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  }
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}
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</style>
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​
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​
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<h1 class="animated">Bounce</h1>