body { 
    font-family: Arial, sans-serif; 
    text-align: center; 
    margin-top: 50px; 
}

.nav-button {
    display: inline-block;
    padding: 12px 24px;
    font-size: 16px;
    color: white;
    background-color: #007bff;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    cursor: pointer;
}