<h1>
    Beep boop
    <br>
    <small>I'm a computer</small>
</h1>
body {
    font-family: sans-serif;
    text-align: center;
}

h1 {
    margin-top: 5em;
    font-weight: bold;
    font-size: 2em;
    color: #6A3089;
}

h1 small {
    font-weight: normal;
    font-size: 0.8em;
    color: #666;
}

External CSS

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External JavaScript

This Pen doesn't use any external JavaScript resources.