body {
    font-family: 'Roboto', Arial, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    color: #333;
    font-weight: 300;
}

.container {
    padding: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

h1, h2, h3 {
    color: #333;
    margin-bottom: 1rem;
    font-weight: 700;
}

p {
    margin-bottom: 1rem;
}

strong {
    font-weight: 400;
}

ul {
    padding-left: 1.5rem;
}

a {
    color: #4CAF50;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.contact-info {
    margin-top: 2rem;
}

.contact-info p {
    margin-bottom: 0.5rem;
}

.tip, .confirmation-message {
    background-color: #f8f8f8;
    padding: 1rem;
    border-left: 4px solid #4CAF50;
    margin-bottom: 1rem;
}

.tip h2, .confirmation-message strong {
    color: #4CAF50;
}

.opt-out-form {
    margin-top: 2rem;
}

.opt-out-form form {
    display: flex;
    flex-direction: column;
}

.opt-out-form label {
    margin-top: 1rem;
}

.opt-out-form input,
.opt-out-form textarea {
    margin-top: 0.5rem;
    padding: 0.5rem;
    font-family: inherit;
    font-size: 1rem;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.opt-out-form textarea {
    height: 100px;
}

.opt-out-form button {
    margin-top: 1rem;
    padding: 0.5rem 1rem;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 400;
}

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

.next-steps, .additional-info {
    margin-top: 2rem;
}

.return-link {
    margin-top: 2rem;
    text-align: center;
}