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

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

header {
	background-color: #333;
	color: #fff;
	display: flex;
	flex-direction: column;
	align-items: center;
	padding: 1em;
}

header h1 {
	margin: 0;
	font-size: 2em;
}

nav ul {
	list-style: none;
	display: flex;
}

nav li {
	margin: 0 1em;
}

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

main {
	margin: 2em;
}

section {
	margin-bottom: 2em;
}

section h2 {
	margin-bottom: 1em;
}

form {
	display: flex;
	flex-direction: column;
}

label {
	margin-bottom: 0.5em;
}

input[type="text"],
input[type="email"],
textarea {
	padding: 0.5em;
	margin-bottom: 1em;
}

input[type="submit"] {
	background-color: #333;
	color: #fff;
	padding: 0.5em;
	border: none;
	cursor: pointer;
}

footer {
	background-color: #333;
	color: #fff;
	padding: 1em;
	text-align: center;
}