#main_bg {
  background: #3c74ad url('bg.png') no-repeat center bottom;
  background-size: contain;
}

#login_bg {
  background: url('banner.png') no-repeat left center;
}

#main_bg,
#login_form_outer {
  background-color: #3c74ad;
}

#login_btn {
  background: #ff7800;
}