Thanks so much for the help.
It still seems to no be showing up. Perhaps I'm not putting it in the right place?
This is the start of the stylesheet up to the end of the section after where I placed what you gave me:
/*
Theme Name: Grid Theme Responsive
Theme URI: http://www.dessign.net/gridthemeresponsive
Description: Grid Theme Responsive for WordPress is stylish, customizable, simple, and readable. Perfect for any illustrator or graphic designer.
Version: 2.5
Author: Marios Lublinski
Author URI: http://www.dessign.net
Tags: 4 column theme, white, clean
*/
body
<strong>{
background: #FFFFFF url("http://www.nydogwalkingco.com/wp-content/uploads/2012/12/Picture-28.png") repeat;
}</strong>
/* Global */
* { margin: 0; padding: 0; }
body { font-size: 12px; font-family: verdana, arial, georgia; color: #333333; }
#main_container { width: 1015px; margin: 0 auto; }
h1,h2,h3,h4,h5,p { margin: 10px 0; }
.left { float: left; }
.right { float: right; }
.clear { clear: both; }
img { border: none; }
a { color: #666; text-decoration: none; }
a:hover { color:#333; }
/* Header */
#header { padding: 10px 0 30px; }
#menu_container { padding-bottom: 25px; }
#menu_container ul { list-style-type: none; margin-right: 25px; float: left; }
#menu_container ul li { float: left; }
#menu_container ul li a { color: #fff; text-decoration: none; background-color: #000; padding: 6px 5px; margin-right: 5px; -moz-border-radius: 5px; -webkit-border-radius: 5px; -khtml-border-radius: 5px; border-radius: 5px; display: block; }
#menu_container ul li a:hover { background-color: #858585; }
#menu_container ul li.current-menu-item a, #menu_container ul li.current_page_item a { background-color: #858585; }
#menu_container input[type=text] { width: 172px; height: 25px; background-color: #000; color: #fff; -moz-border-radius: 5px; -webkit-border-radius: 5px; -khtml-border-radius: 5px; border-radius: 5px; float: right; border: none; padding: 0 5px; }
.header_social_icons_cont { float: right; margin-right: 5px; }
.header_social_icons_cont img { float: left; margin-right: 7px; }
If you can't answer this, thanks anyway for the help!!