Removing "Archives" Header at top of post

I am using the Bouquet theme and have just started adding posts to my site. For some reason, a header with the title “Archives” is at the top of all of my posts and I can’t seem to get rid of it. I tried CSS and I messed with the archive.php a little bit, but that seems to have made it worse. Now there is a small box in the top left hand corner of the site with the post date on it. I went back to archive.php and added exactly what I had removed, but the date box is still on the site.

Here is a link to one of my three posts: http://eatingwithgrace.com/?cat=9

If anyone could offer some help, I’d greatly appreciate it. I have a little bit of knowledge of working with .css, but haven’t done much in the .php files. Thanks!