.shrink-add, .grow-add {
  -webkit-transition:all ease 2.5s;
  -moz-transition:all ease 2.5s;
  -o-transition:all ease 2.5s;
  transition:all ease 2.5s;
}
.shrink,
.shrink-add.shrink-add-active {
	width:100px;
}
.start-class,
.grow,  
.grow-add.grow-add-active {
  width:400px;
}