body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #222222;
    color: #ffffff;
}

.header {
    display: flex;
    justify-content: center;
    margin: 10px 0;
}

.nav-button {
    background-color: #333333;
    color: #ffffff;
    border: 1px solid #444444;
    padding: 10px 20px;
    margin: 0 10px;
    font-size: 1rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 5px;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.3s, transform 0.2s;
}

.nav-button i {
    margin-right: 8px;
}

.nav-button:hover {
    background-color: #444444;
    transform: scale(1.05);
}

.content-wrapper {
    margin: 20px 40px;
    padding: 20px;
    background-color: #333333;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
}

h2 {
    font-size: 1.5rem;
    color: #ffffff;
}

p {
    font-size: 1rem;
    color: #cccccc;
}

a {
    color: #1d72b8;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

hr {
    border: 1px solid #444444;
    margin: 20px 0;
}