Code to make a icon glow in angular js/boostrap

Hi there I need some help to make a button glow when its selected in angular JS/bootstrap I have a static CSS file. Right now, the button is glowing, but it needs to be greyed out when itemValue is not true <div class="controlGroup" style="float:none; padding-right: 38%;"> <div class="control" ng-click="sendCmd('spotify_action', 'next')"> <svg viewBox="0 0 80 80"> <use xlink:href="/static/matrix-theme/squidink.svg#right-arrow-2"></use> </svg> </div> <div class="control" ng-click="sendCmd('spotify_shuffle_state', 'True')" ng-if="itemValue('spotify_shuffle_state')!='True'"><svg viewBox="0 0 80 80"><use xlink:href="/static/matrix-theme/squidink.svg#shuffle"></use> </svg> </div> <div class="control" ng-click="sendCmd('spotify_shuffle_state', 'False')" ng-if="itemValue('spotify_shuffle_state')=='True'"><svg viewBox="0 0 80 80"><use xlink:href="/static/matrix-theme/squidink.svg#shuffle"></use></svg> </div> <div class="control" ng-click="sendCmd('spotify_action', 'play')" ng-if="itemValue('spotify_current_playing')!='ON'"> <svg viewBox="0 0 80 80"> <use xlink:href="/static/matrix-theme/squidink.svg#right-play"></use> </svg> </div> <div class="control" ng-click="sendCmd('spotify_action', 'pause')" ng-if="itemValue('spotify_current_playing')=='ON'"> <svg viewBox="0 0 80 80"> <use xlink:href="/static/matrix-theme/squidink.svg#stop_1_"></use> </svg> </div> <div class="control" ng-click="sendCmd('spotify_action', 'previous')"> <svg viewBox="0 0 80 80"> <use xlink:href="/static/matrix-theme/squidink.svg#left-arrow-2"></use> </svg> </div></div> </div> </div>