/* Base styles */

* {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}

body {
	font-family: sans-serif;
	font-size: 16px;
	line-height: 1.5;
}

header {
	background-color: #333;
	color: #fff;
	padding: 20px;
}

h1 {
	font-size: 28px;
	margin-bottom: 10px;
}

nav ul {
	list-style: none;
	margin: 0;
	padding: 0;
}

nav li {
	display: inline-block;
	margin-right: 10px;
}

nav li a {
	color: #fff;
	text-decoration: none;
}

main {
    display: flex;
    flex-direction: column;
    align-items: center;
	padding: 20px;
}

section {
	margin-bottom: 20px;
    text-align: center;
    /* padding-top: 10px; */
}

h2 {
    padding-bottom: 20px;
}

.btn {
	background-color: #333;
	color: #fff;
	display: inline-block;
	padding: 10px 20px;
	text-decoration: none;
	margin-top: 10px;
	border-radius: 5px;
}

footer {
	background-color: #333;
	color: #fff;
	padding: 20px;
	text-align: center;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
}

/* Media queries */

@media (min-width: 768px) {
	body {
		font-size: 18px;
	}
	header {
		display: flex;
		justify-content: space-between;
		align-items: center;
	}
	nav {
		flex: 1;
		margin-left: 20px;
	}
	nav ul {
		display: flex;
		justify-content: flex-end;
	}
	nav li {
		margin-right: 20px;
	}
	main {
		display: flex;
		flex-direction: column;
		align-items: center;
	}
	section {
		max-width: 800px;
		width: 100%;
		text-align: center;
	}
	.btn {
		margin-top: 20px;
	}
}