Hiya Ian,
In your stylesheet FD_Sharp_Default.css, you could try giving the left margin of 'form.Sharp_Default' a minus value, - i.e:
/* form general definition */
form.Sharp_Default {
padding:0 0 0 0;
margin:0 0 0 -150px;
font-family:Georgia, Times New Roman, Times, serif;
width:400px;
}