.growl-item.ng-enter,
.growl-item.ng-leave {
    -webkit-transition:0.3s linear all;
    -moz-transition:0.3s linear all;
    -o-transition:0.3s linear all;
    transition:0.3s linear all;
}

.growl-item.ng-enter,
.growl-item.ng-leave.ng-leave-active {
    opacity:0;
}

.growl-item.ng-leave,
.growl-item.ng-enter.ng-enter-active {
    opacity:1;
}