angular 2 ngIf and CSS transition/animation

I want a div to slide in from the right in angular 2 using css.

<div class="note" [ngClass]="{'transition':show}" *ngIf="show">
<p> Notes</p>
</div>
<button class="btn btn-default" (click)="toggle(show)">Toggle</button>


I works fine if i only use [ngClass] to toggle class and utilise opacity. But li don't want that element to be rendered from the beginning so I "hide" it with ngIf first, but then the transition wont't work.

.transition{
-webkit-transition: opacity 1000ms ease-in-out,margin-left 500ms ease-in-out;
-moz-transition: opacity 1000ms ease-in-out,margin-left 500ms ease-in-out;
-ms-transition: opacity 1000ms ease-in-out,margin-left 500ms ease-in-out ;
-o-transition: opacity 1000ms ease-in-out,margin-left 500ms ease-in-out;
transition: opacity 1000ms ease-in-out,margin-left 500ms ease-in-out;
margin-left: 1500px;
width: 200px;
opacity: 0;
}

.transition{
opacity: 100;
margin-left: 0;
}

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