.image-container {
    position: relative;
}

.middle {
  transition: .5s ease;
  opacity: 0;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  text-align: center;
}

.image-container:hover .image-thumbnail {
  opacity: 0.3;
}

.image-container:hover .middle {
  opacity: 1;
}

.text {
  background-color: #8CA4FF;
  color: #fff;
  font-size: 12px;
  padding: 24px;
}

.image-thumbnail2 {
  display: block;
  width: 100%;
  height: auto;
  padding: 4px;
  line-height: 1.42857143;
  background-color: #fff;
  border: 1px solid #ddd;
  border-radius: 4px;
  -webkit-transition: all .2s ease-in-out;
  -o-transition: all .2s ease-in-out;
  transition: all .2s ease-in-out
}

.image-table {
    border: none;
}