How do I

[celticgrl]

I can not get my new banner to center Help

Edit
.headerimage {

width: 800px;
height: 250px;
margin-left: auto;
margin-right: auto;
margin-bottom: 20px;
background-image: url("http://i116.photobucket.com/albums/o39/Diesa_j/Banners/banner.jpg"); background-repeat: no-repeat; }