.covid figure::before {
    content: '';
    background: rgba(0,0,0,0.5);
    display: block;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: ;
    z-index: 1;
}

.covid figure::after {
  content: 'POSTPONED DUE TO COVID-19';
  z-index: 2;
  position: absolute;
  text-align: center;
  display: block;
  top: 50%;
  width: 100%;
  font-size: 3rem;
  transform: translateY(-1.5rem);
  /* line-height: 1; */
}

@media (max-width: 767px){
.covid figure::after {
  top: 33%;
  font-size: 2rem;
 transform: translateY(0);
}
}