body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #d7e5e7;
}

header {
    background: #394a35;
    color: #ffffff;
    padding: 10px 0;
    text-align: center;
}

nav {
    margin: 20px 0;
}

nav a {
    color: #ffffff;
    text-decoration: none;
    padding: 10px 15px;
}

nav a:hover {
    background: #e8491d;
}

section {
    padding: 20px;
    margin: 10px;
    background: #ffffff;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

footer {
    text-align: center;
    padding: 10px 0;
    background: #3f4a35;
    color: #ffffff;
    position: relative;
    bottom: 0;
    width: 100%;
}