body {
    font-family: 'Arial', 'Helvetica', sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 20px;
    background-color: #f4f4f4;
    color: #333;
}

.container {
    max-width: 960px;
    margin: 20px auto;
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
}

h1 {
    color: #2c3e50;
    text-align: center;
    margin-bottom: 30px;
    font-size: 2.5em;
}

h2 {
    color: #34495e;
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
    margin-top: 40px;
    font-size: 1.8em;
}

h3 {
    color: #34495e;
    margin-top: 30px;
    font-size: 1.5em;
}

h4 {
    color: #555;
    margin-top: 25px;
    font-size: 1.2em;
}

p {
    margin-bottom: 15px;
}

.last-updated {
    text-align: center;
    font-style: italic;
    color: #777;
    margin-bottom: 30px;
}

ul {
    list-style-type: disc;
    margin-left: 25px;
    margin-bottom: 15px;
}

ol {
    list-style-type: decimal;
    margin-left: 25px;
    margin-bottom: 15px;
}

li {
    margin-bottom: 8px;
}

a {
    color: #3498db;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

table, th, td {
    border: 1px solid #ddd;
}

th, td {
    padding: 12px;
    text-align: left;
}

th {
    background-color: #f8f8f8;
    color: #333;
    font-weight: bold;
}

tr:nth-child(even) {
    background-color: #f9f9f9;
}

tr:hover {
    background-color: #f1f1f1;
}

/* Responsive design for tables (stack rows on small screens) */
@media (max-width: 480px) {
    table, thead, tbody, th, td, tr {
        display: block;
    }

    thead tr {
        position: absolute;
        top: -9999px;
        left: -9999px;
    }

    tr {
        margin-bottom: 15px;
        border: 1px solid #ddd;
        display: block;
        padding: 10px;
    }

    td {
        border: none;
        border-bottom: 1px solid #eee;
        position: relative;
        padding-left: 50%;
        text-align: right;
    }

    td:before {
        position: absolute;
        top: 6px;
        left: 6px;
        width: 45%;
        padding-right: 10px;
        white-space: nowrap;
        text-align: left;
        font-weight: bold;
        content: attr(data-label); /* Uses data-label for headings on small screens */
    }
}

/* General responsive adjustments */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }

    .container {
        margin: 10px auto;
        padding: 20px;
    }

    h1 {
        font-size: 2em;
    }

    h2 {
        font-size: 1.5em;
    }

    h3 {
        font-size: 1.3em;
    }

    h4 {
        font-size: 1.1em;
    }
}