body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

header {
    background-color: #009999;
    color: #fff;
    padding: 20px;
    text-align: center;
}

header h1 {
    margin: 0;
}

main {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
}

.coupon-section {
    background-color: #f7f7f7;
    padding: 20px;
    border: 1px solid #ddd;
    margin-bottom: 20px;
}

.coupon-section h2 {
    margin-top: 0;
}

.coupon-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.coupon-section li {
    margin-bottom: 20px;
}

.coupon-section li h3 {
    margin-top: 0;
}

.coupon-section li p {
    margin-bottom: 10px;
}

.coupon-code {
    font-weight: bold;
    color: #00698f;
}

.how-to-use-section {
    background-color: #f7f7f7;
    padding: 20px;
    border: 1px solid #ddd;
    margin-bottom: 20px;
}

.how-to-use-section h2 {
    margin-top: 0;
}

.how-to-use-section ol {
    list-style: none;
    padding: 0;
    margin: 0;
}

.how-to-use-section li {
    margin-bottom: 10px;
}

.tips-and-reminders-section {
    background-color: #f7f7f7;
    padding: 20px;
    border: 1px solid #ddd;
    margin-bottom: 20px;
}

.tips-and-reminders-section h2 {
    margin-top: 0;
}

.tips-and-reminders-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tips-and-reminders-section li {
    margin-bottom: 10px;
}

.call-to-action-section {
    text-align: center;
    margin-bottom: 20px;
}

button {
    background-color: #00698f;
    color: #fff;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button a {
    text-decoration: none;
    color: #fff;
}

footer {
    background-color: #333;
    color: #fff;
    padding: 10px;
    text-align: center;
    clear: both;
}

footer p {
    margin-bottom: 10px;
}