body {
	font-family: 'Segoe UI', sans-serif;
	background: #f4f6f8;
	margin: 0;
	padding: 0;
}

.content {
	width: 80%;
	margin: 20px auto;
	background: #fff;
	box-shadow: 0 2px 10px rgba(0,0,0,0.1);
	border-radius: 10px;
	overflow: hidden;
}

header {
	background: #0077b6;
	color: white;
	padding: 20px;
	text-align: center;
}

.menu ul {
	background: #023e8a;
	margin: 0;
	padding: 0;
	list-style: none;
	display: flex;
	justify-content: center;
}

.menu ul li {
	margin: 0 15px;
}

.menu ul li a {
	color: white;
	text-decoration: none;
	font-weight: bold;
	display: block;
	padding: 15px;
	transition: background 0.3s;
}

.menu ul li a:hover {
	background: #0077b6;
	border-radius: 5px;
}

.badan {
	padding: 20px;
	min-height: 400px;
}

table {
	width: 100%;
	border-collapse: collapse;
}

table, th, td {
	border: 1px solid #ddd;
}

th {
	background: #0077b6;
	color: white;
	padding: 10px;
}

td {
	padding: 10px;
}

a.btn {
	padding: 6px 12px;
	background: #0077b6;
	color: #fff;
	text-decoration: none;
	border-radius: 5px;
}

a.btn:hover {
	background: #023e8a;
}

footer {
	background: #0077b6;
	color: white;
	text-align: center;
	padding: 10px;
	font-size: 14px;
}