.case-banner {
  background-image: url('/static/imgs/bg-imgs/case-4.png');
}

#case-1 .case-bg {
  background-image: url('/static/imgs/bg-imgs/case-military-datacenter.png');
}
#case-2 .case-bg {
  background-image: url('/static/imgs/bg-imgs/case-high-tech-2.png');
}