Answers for "click and zoom and image with css"

css zoom

.zoom50 {
  -moz-transform: scale(0.5);
  -webkit-transform: scale(0.5);
  -o-transform: scale(0.5);
  -ms-transform: scale(0.5);
  transform: scale(0.5);
}

how to use image zoom effect in css

.child::before {
  content: "";
  display: none;
  height: 100%;
  width: 100%;
  position: absolute;
  top: 0;
  left: 0;
  background-color: rgba(52, 73, 94, 0.75);
}

.parent:hover .child:before,
.parent:focus .child:before {
  display: block;
}

how to use image zoom effect in css

.parent {
  width: 400px; 
  height: 300px;
}

.child {
  width: 100%;
  height: 100%;
  background-color: black; /* fallback color */
  background-image: url("images/city.jpg");
  background-position: center;
  background-size: cover;
}