Button BEM; Context menu added_by

src/js/views/Track.js

@@ -247,7 +247,7 @@ class Track extends React.Component{
 				</div>
 
 				<div className="actions">
-					<button className="primary" onClick={e => this.play()}>Play</button>
+					<button className="button button--primary" onClick={e => this.play()}>Play</button>
 					<LastfmLoveButton uri={this.props.params.uri} artist={(this.props.track.artists ? this.props.track.artists[0].name : null)} track={this.props.track.name} addText="Love" removeText="Unlove" is_loved={this.props.track.userloved} />
 					<ContextMenuTrigger onTrigger={e => this.handleContextMenu(e)} />
 				</div>