.cav-none {
  background-color: #ccc !important; }

.cav-a {
  background-color: #03A9F4 !important; }

.cav-b {
  background-color: #4CAF50 !important; }

.cav-c {
  background-color: #e2d030 !important; }

.cav-d {
  background-color: #FF9800 !important; }

.cav-e {
  background-color: #c13a35 !important; }

.cav-not-relevant {
  background-color: #ccc !important; }