body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f0f0f0;
}

header {
    background-color: #333;
    color: white;
    padding: 10px 20px;
    text-align: center;
}

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

button {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
    margin-right: 10px;
    border-radius: 3px;
}

button:hover {
    background-color: #0056b3;
}

h2 {
    margin-top: 0;
}

#login {
    text-align: center;
}

/* Estilos adicionais conforme necessidade */