.photo-container {
    display: inline-block;
    width: 28.33%;
    margin-top: 2.5%;
    margin-bottom: 2.5%;
    margin-left: 2.5%;
    margin-right: 2.5%;
    position: relative;
}

.joe-photo {
    width: 100%;
    display: block;
}

.photo-overlay {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100%;
    width: 100%;
    opacity: 0;
    transition: .5s ease;
  }
  
  .photo-container:hover .joe-photo {
    opacity: .2;
  }

  .photo-container:hover .photo-overlay {
    opacity: 1;
  }
  
  .photo-overlay-text {
    color: black;
    font-size: 25px;
    position: absolute; 
    width: 100%;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    text-align: center;
  }