Answers for "zoom image css on click zoom in"

How to zoom picture on hover using css

.img:hover{
transform:scale(1.0);
}

equivalent zoom css

-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

.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;
}