كود PHP:
body {font-family: 'Open Sans', sans-serif !important;font-size: 13px !important;line-height: 20px !important;background-image:url(http://3.bp.blogspot.com/-2X-iPm2JFDc/UjtrdpipEeI/AAAAAAAABfM/qVN-YUQ2bE4/s1600/Background_img.jpg)
لو الامر صعب ارفق لي القالب