.overlay-grid {
  width: 100%;
  height: 100%;
  z-index: 20;
  background: rgba(53, 132, 186, 0.8);
  position: absolute;
  top: 0;
  opacity: 0;
  left: 0;
  display: block;
  -webkit-transition: all 0.4s ease-in-out;
  -o-transition: all 0.4s ease-in-out;
  transition: all 0.4s ease-in-out; }
  .overlay-grid .expand {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 0;
    border: 2px solid;
    font-size: 20px;
    color: #fff;
    line-height: 60px;
    text-align: center;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
         -o-transform: translate(-50%, -50%);
            transform: translate(-50%, -50%);
    -webkit-transition: all 0.4s ease-in-out;
    -o-transition: all 0.4s ease-in-out;
    transition: all 0.4s ease-in-out; }

.image-wrapper {
  position: relative; }
  .image-wrapper a {
    display: block; }
    .image-wrapper a:hover .overlay-grid {
      opacity: 1; }
      .image-wrapper a:hover .overlay-grid .expand {
        height: 60px;
        width: 60px;
        border-radius: 50%; }

.image-8 {
    text-align: center;
    width: 251px !important;
    margin: 0 auto !important;
}