.image-container {
  overflow: hidden;
}

.overlay-bar {
  transition: all 0.3s ease;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.9;
}

.image-container:hover .overlay-bar {
  height: 100%;
  opacity: 0.8;
}

.img-fluid {
  height: 300px;
  width: 100%;
}