<html>
<head>
<style type="text/css">
img.ex1
{
position:absolute;
bottom:0px;
}
img.ex2
{
position:relative;
bottom:-100px;
}
</style>
</head>
<body>
<img class="ex1" src="/logo.png" />
<h1>This is a heading</h1>
<img class="ex2" src="/logo.png" />
</body>
</html>