I have noticed that each time I define and utilize <Hn> tags, that Firefox places padding across the top of the line of copy enclosed in the <Hn> tag. MSIE renders the tag w/out issue. The following is the <div> created for this section of copy on my page:

#pageTitle {
position: absolute;
visibility: visible;
z-index: auto;
width: 100%;
top: 10px;
text-align: center;
left: 0px;
}
#pageTitle h1 {
font-family: Verdana, Arial, Helvetica, sans-serif;
font-size: 1.6em;
color: #FFFFFF;
}

Any ideas on what can correct this rendering difference with Firefox?

Thanks in advance for all help provided.