html{font-family: 'Nanum Myeongjo', serif; background-color: black;}
		body,p,div,img,h2{ margin: 0; padding: 0; color: white;}
		header{background-image: url(../img/img4.jpg); background-size: 1800px; width: 100%; height: 800px;}
		h1{color: white; padding-top: 500px; margin: 0px; padding-left: 30px; font-size: 4em; line-height: 90px;}
		p{color: white; font-size: 1.5em; margin: 50px;line-height: 2; margin-top: 180px; margin-bottom: 180px;}
		section,footer{width: 1200px; margin: auto; word-break: keep-all;}
		img{width: 90%; text-align: center; margin: auto;}
		.img6{width: 70%; margin-left: 50px;}
		h2{margin-left: 50px; margin-top:130px; font-size: 2.3em; color: white;}
		.flex{display: flex; margin-left: 50px;}
		.book{ text-align:center; display:flex; margin: 0px; margin-top: 10px;}
		.flexx{width:400px;}
		.png{position: sticky; left: 70px; width: 200px; height: 200px; top: 20px;}
		.dropdown { position: relative; display: inline-block;}
		.dropdown-content {display: none; position: absolute; color: white; background-color: none; min-width: 160px; box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2); padding: 12px 16px; z-index: 1;}
		.dropdown-content a {color: white; padding: 12px 16px;text-decoration: none; display: block;}
		a{color: white;}
		.dropbtn {background-color: none; color: white; padding: 16px; font-size: 16px; border: none; cursor: pointer; position: sticky;}
		.dropdown:hover .dropdown-content {display: block;}
		.dropdown-content a:hover {color: white; padding: 12px 16px; text-decoration: none;display: block;}
		.sticky{position: sticky; left: 1500px; width: 200px; height: 200px; top: 20px;}
		footer{margin-bottom: 80px;}