body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    background-color: #2c3e50;
    color: white;
    padding: 20px;
}

.tagline {
    color: #ecf0f1;
}

.product-details {
    display: flex;
    align-items: center;
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    margin: 20px 0;
}

.product-image {
    flex: 1;
    text-align: center;
}

.product-image img {
    max-width: 100%;
    height: auto;
}

.product-info {
    flex: 1;
    padding-left: 30px;
}

.product-info ul {
    list-style-type: none;
    padding: 0;
}

.product-info li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 20px;
}

.product-info li:before {
    content: '✓';
    color: #27ae60;
    position: absolute;
    left: 0;
}

.usage-note {
    background-color: #f1c40f;
    padding: 15px;
    border-radius: 5px;
    margin-top: 20px;
}

.contact {
    text-align: center;
    background-color: #3498db;
    color: white;
    padding: 30px;
    border-radius: 8px;
}

.contact-button {
    display: inline-block;
    background-color: #2ecc71;
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
}

footer {
    text-align: center;
    background-color: #34495e;
    color: white;
    padding: 10px;
}