text: const sounds = {
  	'rain': new Audio( './assets/sounds/rain.mp3' ),
  	'river': new Audio( './assets/sounds/river.mp3'),
  	'thunder': new Audio( './assets/sounds/thunder.mp3'),
  	'campfire': new Audio( './assets/sounds/campfire.mp3'),
  	'lakewaves': new Audio( './assets/sounds/lake-waves.mp3'),
  	'waterfall': new Audio( './assets/sounds/waterfall.mp3')
  };
  
  function playPause( sound ) {
  
  	if ( sounds[ sound ].paused ) {
  		sounds[ sound ].play();
  		sounds[ sound ].loop = true;
  
  		if ( 0 === sounds[ sound ].volume ) {
  			sounds[ sound ].volume = 1;
  			document.getElementById( sound + 'Volume' ).value = 100;
  		}
  
  	} else {
  		sounds[ sound ].pause();
  	}
  
  	document.getElementById( sound + 'PlayPause' ).classList.toggle('active');
  }
  
  function adjustVolume( sound, volume ) {
  	let v = volume / 100;
  	sounds[ sound ].volume = v;
  
  	if ( 0 === v ) {
  		sounds[ sound ].pause();
  		document.getElementById( sound + 'PlayPause' ).classList.remove('active');
  	}
  }
  