.overlay-image {
  position: fixed;
  width: 0;
  height: 0;
  top: 0;
  left: 0;
  overflow: auto;
  background-color: rgba(0,0,0,0);
  z-index: 10005;
    transition: all 1s;
    -webkit-transition: all 1s;
    -moz-transition: all 1s;
    -o-transition: all 1s;
  text-align: center;
  padding: 15px 5px;
  overflow-x: hidden;
  overflow-y: hidden;
  cursor: zoom-out;
}

.overlay-image:target {
  background-color: rgba(0,0,0,0.8);
  width: 100%;
  height:auto;
  bottom: 0;
  right: 0;
  overflow-y: scroll;
}

.overlay-image img {
  margin-top: 75px;
  margin-left: auto;
  margin-right: auto;
  max-width: 80%;
  height: auto;
  overflow-y: scroll;
  display: block;
}

.overlay-image:target img {
  animation: zoomandfade 2s;
}

.overlay-image a {
  position: absolute;
  right: 25px;
}

.overlay-image #image-target {
  margin-top: 75px;
  max-width: 80%;
  height: auto;
  overflow-y: scroll;
}

.overlay-image:target #image-target {
  animation: zoomandfade 2s;
}