how to make something zoom in on css code example

Example 1: zoom image css

/*Zoom on hover*/

<style>
.zoom {
  padding: 50px;
  background-color: green;
  transition: transform .2s; /* Animation */
  width: 200px;
  height: 200px;
  margin: 0 auto;
}

.zoom:hover {
  transform: scale(1.5); /* (150% zoom)*/
}
</style>

<div class="zoom"></div>

/*credits: w3schools.com */

Example 2: 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);