body {
    font-family: 'Times New Roman', Times, serif;
    background-color: #f8f9fa;
    margin: 0;
    padding: 20px;
    color: #333;
    line-height: 1.6;
}

h2 {
    color: #2c3e50;
    text-align: center;
    font-size: 26px;
    margin-bottom: 20px;
    text-transform: uppercase;
}

pre {
    background-color: #f4f4f4;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    overflow-x: auto;
}

pre > b {
    color: #2c3e50;
    font-size: 18px;
}


pre b:contains('C Keywords') {
    color: #007bff;
    text-decoration: underline;
}

pre b:contains('Keyword and there Function') {
    color: #28a745;
    text-decoration: underline;
}


pre b, pre b + span {
    font-family: 'Times New Roman', Times, serif;
    color: #d35400;
}

pre span {
    font-style: italic;
}


pre ul {
    margin: 0;
    padding-left: 20px;
}

pre ul > li {
    margin: 5px 0;
}

pre b:contains('01.') ~ span,
pre b:contains('02.') ~ span,
pre b:contains('03.') ~ span,
pre b:contains('04.') ~ span,
pre b:contains('05.') ~ span {
    color: #2ba0c0;
    font-weight: bold;
}


pre b:contains('for'),
pre b:contains('if'),
pre b:contains('else'),
pre b:contains('while') {
    color: #8e44ad;
    font-weight: bold;
}