This CSS problem is killing me :-(
I cannot remove padding under a link in this page http://www.yart.com.au/stackoverflow/test2.htm
I have reduced the problem to the bare minimum so its really clear.
You can see my issue here http://www.yart.com.au/stackoverflow/blue.png 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<style type="text/css">
*
{
padding:0;
margin:0;
font:15px arial;
}
div
{
display:inline;
height:18px;
line-height:18px;
background-color :blue;
}
.PageMove
{
display:inline-block;
background-image: url(http://www.yart.com.au/stackoverflow/page_move.gif);
background-repeat:no-repeat;
width:18px;
height:18px;
line-height:18px;
}
.Text
{
background-color :red;
display:inline;
height:18px;
line-height:18px;
}
</style>
</head>
<body>
<div><a href="#" class="PageMove"></a><a href="#" class="Text">18 pixels high</a></div>
</body>
</html>