*{margin: 0;}
body{ padding: 20px; }
h1,h2,h3,h4,p{ font-weight: normal; margin: 5px 0; }

/* 라이트박스 컨테이너 */
#lightbox.active{
	position: absolute; overflow: hidden;
	background: #333;
	width: 800px; height: 540px;
	left: 50%; margin-left: -400px;
	top: 50%; margin-top: -250px;
	box-sizing: border-box; padding: 30px;
	z-index: 99; display: block;
}
#lightbox{ display: none; }
#lightbox h1, #lightbox p{ 
	color: white; text-align: center;
	margin-bottom: 10px;
}

/* 이미지 박스 */
figure{ 
	width: 500px; height: 300px;
	position: relative;
	margin: 10px auto;
	overflow: hidden;
}
figure img{
	display: none;
 	position: absolute;
}
figure img.active{ display: block; }

/* 창닫기 버튼 */
.btn-close{
	position: absolute;
	top: 0px; right: 0px;
	padding: 10px;
	color: white; font-size: large;
}
.btn-close:hover{ background-color: #666; }

/* ******************************* */

/* 라이트 박스 배경 처리 */
#block{ 
	position: fixed;
	width: 100%; height: 100%;
	top: 0; bottom: 0; left: 0; right: 0;
	background: #111;
	opacity: 0.5; z-index: 9;
	display: none;
}
#block.active{ display: block;}


/* ****************************** */

/* 인디케이터 네비게이션 */
.indicator{ text-align: center; }
.indicator button{
	background: #666; color: white;
	font-size: 12px;
	border: none; padding: 2px 5px;
}
.indicator button:focus{ background: #38f; }