angular2-simple-ui/sui/sui.accordion/sui.accordion.component.html

Angular 2 Simple Material Design UI Components customisable with Simple 30 KB CSS with LESS support and full features support , just plugin up and run for clarity look at sample examples

<div class="{{'sui-accordion sui-light-grey  ' + accordionClass}}" [ngStyle]="accordionStyle">
     <ng-content></ng-content>
</div>