.container {
  position: relative;
  margin: 20px;
}

.featured-image {
  display: block;
  width: auto;
  height: 325px;
  border-radius: 5px;
}

.overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  overflow: hidden;
  width: 0;
  transition: .5s ease;
  z-index: 10;
}

.container:hover .overlay {
  width: 475px;

  /* needed so image is completely covered by card */
  background-color: #5e3163;  
}

.card-container {
  font-size: 20px;
  position: absolute;
  width: fit-content;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
}

.char-details:hover {
  width: 450px;   /* makes cards full width on hover - might break grid?? */
}