the button controls for the broadcaster client

.html

<div id="buttons-container" class="row justify-content-center mt-3">
	<div id="audio-controls" class="col-md-2 text-center btn-group">
	<button id="mic-btn" type="button" class="btn btn-block btn-dark btn-lg">
		<i id="mic-icon" class="fas fa-microphone"></i>
	</button>
	<!-- insert mic selection drop-down -->
	</div>
	<div id="video-controls" class="col-md-2 text-center btn-group">
	<button id="video-btn"  type="button" class="btn btn-block btn-dark btn-lg">
		<i id="video-icon" class="fas fa-video"></i>
	</button>
	<!-- insert camera selection drop-down -->
	</div>
	<div class="col-md-2 text-center">
	<button id="exit-btn"  type="button" class="btn btn-block btn-danger btn-lg">
		<i id="exit-icon" class="fas fa-phone-slash"></i>
	</button>
	</div>
</div>