.image-container {
  width: 300px;
  position: relative;
}

.overlay {
  position: relative;
  overflow: hidden;
}

.image {
  width: 100%;
  display: block;
  transition: 0.5s ease;
}

.text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 24px;
  opacity: 0;
  transition: 0.5s ease;
  pointer-events: none;
  z-index: 2;
}

.overlay::after {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.5);
  opacity: 0;
  transition: 0.5s ease;
  z-index: 1;
}

.overlay:hover::after {
  opacity: 1;
}

.overlay:hover .text {
  opacity: 1;
}