<?xml version="1.0" encoding="UTF-8" ?>
<introContent>
    <page id="root" style="css/style.css" style-id="page">
        <title style-id="intro-header1">Text 1</title>
        <title style-id="intro-header2">Text 2</title>
    </page>
</introContent>

.intro-header1 h1 {
    color: black;
    background-color: graytext;
    float: left;
}

.intro-header2 h1 {
    color: white;
    background-color: graytext;
    float: none;
}