Angular.js Animation

gistfile1.css

.animated-class.ng-hide-add.ng-hide-add-active,
.animated-class.ng-hide-remove.ng-hide-remove-active {
    transition: height 1s linear;
    -webkit-transition: height 1s linear;
    -moz-transition: height 1s linear;
    -o-transition: height 1s linear;
    overflow: hidden;
}

.animated-class.ng-hide {
    height: 0px;
}

.animated-class {
    height: 200px;
}