STAY ON TOP

HTML

<div class="homepage-intro"></div>
<div class="wrapper">
   
    <div class="content">some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
        <br />some content here
     ...

CSS

Body {
    margin: 0;
    padding: 0;
}
.homepage-intro {
    background:yellow;
    display: block;
    position:absolute;
   width:100%;
   height:100%;
}
.wrapper {
    background:#FFF;
}
.content {
}