body {
  background:
  url(../gr_img/bg_footer_img.png) right bottom no-repeat,
  url(../gr_img/bg_footer.jpg) left bottom repeat-x,
  url(../gr_img/bg_is.jpg) center top no-repeat,
  url(../gr_img/bg_gnavi.jpg) left 700px repeat-x,
  url(../gr_img/bg_content_01.jpg) center 777px no-repeat,
  url(../gr_img/bg_content_02.jpg) left 2124px repeat-x,
  url(../gr_img/bg_html.jpg) left top repeat;
}