<div id="wrapper">
    <div id="container">
        <h1>Lorem ipsum dolor sit amet.</h1>
        <p>Hover over text to pause.</p>
    </div>
</div>
@import url(https://fonts.googleapis.com/css?family=Raleway:400,700,900,400italic,700italic,900italic);

*, :before, :after {
    box-sizing: border-box;
}
body {
    background-color: #fdf9fd;
    color: #011a32;
    font: 16px/1.25 'Raleway', sans-serif;
    text-align: center;
}
#wrapper {
    margin-left: auto;
    margin-right: auto;
    max-width: 80em;
}
#container {
    display: flex;
    flex-direction: column;
    float: left;
    justify-content: center;
    min-height: 100vh;
    padding: 1em;
    width: 100%;
}
h1 {
    animation: text-shadow 1.5s ease-in-out infinite;
    font-size: 5em;
    font-weight: 900;
    line-height: 1;
}
h1:hover {
    animation-play-state: paused;
}
a {
    color: #024794;
}
a:hover {
    text-decoration: none;
}
@keyframes text-shadow {
    0% {
        transform: translateY(0);
        text-shadow:
            0 0 0 #0c2ffb,
            0 0 0 #2cfcfd,
            0 0 0 #fb203b,
            0 0 0 #fefc4b;
    }
    20% {
        transform: translateY(-1em);
        text-shadow:
            0 0.125em 0 #0c2ffb,
            0 0.25em 0 #2cfcfd,
            0 -0.125em 0 #fb203b,
            0 -0.25em 0 #fefc4b;
    }
    40% {
        transform: translateY(0.5em);
        text-shadow:
            0 -0.0625em 0 #0c2ffb,
            0 -0.125em 0 #2cfcfd,
            0 0.0625em 0 #fb203b,
            0 0.125em 0 #fefc4b;
    }
    60% {
        transform: translateY(-0.25em);
        text-shadow:
            0 0.03125em 0 #0c2ffb,
            0 0.0625em 0 #2cfcfd,
            0 -0.03125em 0 #fb203b,
            0 -0.0625em 0 #fefc4b;
    }
    80% {
        transform: translateY(0);
        text-shadow:
            0 0 0 #0c2ffb,
            0 0 0 #2cfcfd,
            0 0 0 #fb203b,
            0 0 0 #fefc4b;
    }
}
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}

External CSS

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External JavaScript

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