@charset "UTF-8";
body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 20px;
    background-color: white;
}
h1 {
    font-size: 400%;
}
header {
    background-color: #333;
    color: #fff;
    padding: 15px;
    text-align: center;
}
nav {
    background-color: red;
    padding: 0.5em;
    text-align: center;
}

nav a {
    color: #fff;
    text-decoration: none;
    padding: 5px 10px;
    font-size: 150%;
}
nav a:hover {
    background-color: #fff;
    color: #333;
}
main {
    padding: 15px;
}

footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 15px;
    bottom: 0;
    width: 100%;
}