body {
    margin: 0;
    padding: 0;
    background-color: #f5f7fa;
    font-family: Arial, sans-serif;
}

.container {
    background-color: #ffffff;
    width: 340px;
    margin: 80px auto;
    padding: 24px;
    text-align: center;
    border-radius: 10px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

h1 {
    margin-bottom: 6px;
    color: #111827;
}

h3 {
    margin-top: 0;
    color: #2563eb; /* muted professional blue */
    font-weight: 500;
}

p {
    font-size: 14px;
    color: #4b5563;
    line-height: 1.6;
}

h4 {
    margin-top: 20px;
    color: #111827;
}

ul {
    list-style: none;
    padding: 0;
    margin-top: 10px;
}

ul li {
    background-color: #f1f5f9;
    margin: 6px 0;
    padding: 8px;
    border-radius: 6px;
    color: #1f2933;
    font-weight: 500;
}