<!DOCTYPE html>
<html>
<head>
<style>
#parent {
height: 300px;
border: 1px solid #1c87c9;
}
#floater {
float: left;
width: 100%;
height: 50%;
margin-bottom: -50px;
}
#child {
clear: both;
height: 100px;
background: #8ebf42;
}
</style>
</head>
<body>
<h1>Example of vertically aligned text with CSS float property:</h1>
<div id="parent">
<div id="floater"></div>
<div id="child"></div>
</div>
</body>
</html>