*{ margin: 0; }
	body{ 
		padding: 300px 50px;
		/*background: #999; */
	}
	#banner_wrap{
		position: relative;
		width: 600px;
	}

	/* 배너 표시 상태 */
	#banner.active{
	    height: 190px;
	    border: 1px solid #ccc;
	}

	/* 배너 비표시 상태 */	
	#banner{
	    width:600px;
	    height: 0px;
	    position: relative;
	    overflow: hidden;
	    background: url('images/bg.png');
	    border-bottom: 1px solid #666;
	    border-top: 1px solid #ccc;
	    box-sizing: border-box;
	    transition-duration: 0.5s;
	}
	#banner:hover{
		cursor: pointer;
	}
	#banner img{
	    display: block;
	    position: absolute;
	}

	/* 사운드 on/off 버튼 */
	#sound_btn{
		position: absolute;
		left: 10px; bottom: 10px;
		outline: none;
	}

	/* 배너 닫기/열기 버튼 */
	#toggle{
		position: absolute;
		right: 0; 
		bottom: -18px;
		background: #666;
		color: white;
		font-size: 12px; 
		line-height: 18px;
		padding: 0 5px;
		text-decoration: none;
	}
	#toggle:hover{ text-decoration: underline; }