Add class “bounce” for the div in which you need to add bounce effect, and include below css in your stylesheet:

.bounce {
display: inline-block;
vertical-align: middle;
-webkit-transform: translateZ(0);
transform: translateZ(0);
box-shadow: 0 0 1px rgba(0, 0, 0, 0);
-webkit-backface-visibility: hidden;
backface-visibility: hidden;
-moz-osx-font-smoothing: grayscale;
-webkit-transition-duration: 0.5s;
transition-duration: 0.5s;
}
.bounce :hover, .bounce :focus,.bounce:active {
-webkit-transform: scale(1.2);
transform: scale(1.2);
-webkit-transition-timing-function: cubic-bezier(0.47, 2.02, 0.31, -0.36);
transition-timing-function: cubic-bezier(0.47, 2.02, 0.31, -0.36);
}