* {
	margin: 0;
	padding: 0;
}

#container {
	background: black;
	width: 1200px;
	height: 700px;
	margin: 0 auto;
	color: #3F0;	
}
	#header {
	background-color:#000;
	width: 1200px;
	height: 200px;
}
	#middle {
	background-color:#000;
	width: 1200px;
	height: 400px;	
}
		#nav {
	background-color:#000;
	width: 300px;
	height: 400px;
	float:left;
}
		#Content {
	background-color:#000;
	width: 600px;
	height: 400px;
	float:left;
}
		#MusicPlayer {
	background-color:#000;
	width: 400px;
	height: 400px;
	float:left;
}
	#footer {
	background-color:#000;
	width: 1200px;
	height: 100px;
}

#player-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 50px;
    color: #000000;
    font-size: 14px;
}

#play-pause {
    padding: 10px 20px;
    font-size: 16px;
    margin-bottom: 20px;
}

#track-info {
    font-size: 14px;
    color: #333;
}