body {
	margin: 0;
	padding: 0;
	background-color: #f9f9f9;
	font-family: "Hiragino Sans", sans-serif;
}

header {
	background-color: rgba(15, 33, 139, 1);
	color: white;
	padding: 10px 0;
	text-align: center;
}

header h1 {
	margin: 0;
}

nav ul {
	list-style: none;
	padding: 0;
	margin: 0;
	display: flex;
	justify-content: center;
}

nav ul li {
	margin: 0 15px;
}

nav ul li a {
	color: white;
	text-decoration: none;
	font-weight: bold;
}

main {
	padding: 20px;
}

section {
	margin-bottom: 40px;
}

h2 {
	color: #333;
	border-bottom: 2px solid rgba(0, 160, 198, 1);
	padding-bottom: 10px;
}

h3 {
	color: #333;
}

.grid {
	display: grid;
	gap: 0px;
}

.grid div {
	background-color: white;
	padding: 15px;
	border: 1px solid #ddd;
	border-radius: 5px;
	box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

footer {
	background-color: rgba(243, 54, 153, 1);
	color: white;
	text-align: center;
	padding: 10px 0;
	position: fixed;
	width: 100%;
	bottom: 0;
}

/* .btn {
	background: red;
	color: white;
} */

.btn.is-active {
	background: blue;
	color: #fff;
}