/* General styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
}

header {
    background-color: #333;
    color: #fff;
    padding: 20px 0;
    text-align: center;
}

h1 {
    margin: 0;
    font-size: 28px;
}

main {
    max-width: 800px;
    margin: 20px auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.button {
    padding: 10px 20px;
    font-size: 16px;
    background-color: #4CAF50;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.button:hover {
    background-color: #45a049;
}

ul {
    list-style-type: none;
    padding-left: 0;
}

li {
    margin-bottom: 5px;
    font-size: 16px;
}

footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 10px 0;
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;
}

nav {
    text-align: center;
    margin-top: 20px;
}

.nav-link {
    display: inline-block;
    margin-right: 20px;
    padding: 10px;
    color: #fff;
    text-decoration: none;
    background-color: #333;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.nav-link:hover {
    background-color: #4CAF50;
}

/* Adjustments for smaller screens */
@media screen and (max-width: 768px) {
    footer nav .nav-link {
        margin-right: 10px;
        font-size: 14px;
    }
}