body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    color: #333;
}

h1, h2 {
    color: #333;
}

.navbar {
    margin-bottom: 20px;
}

.progress-container {
    height: 4px;
    width: 100%;
    background: #ccc;
    position: fixed;
    top: 0;
    z-index: 1000;
}

.progress-bar {
    height: 4px;
    background: red;
    width: 0%;
}

.social-icons {
    margin-top: 10px;
}

.social-icons a {
    color: #333;
    margin-right: 10px;
    font-size: 24px;
    text-decoration: none;
}

.social-icons a:hover {
    color: #0056b3;
}

footer.footer {
    background: black;
    color: white;
    text-align: center;
    padding: 10px 0;
    width: 100%;
    position: relative;
    bottom: 0;
    left: 0;
    right: 0;
}

hr {
    border: 0;
    border-top: 2px solid #ccc;
    margin-top: 0;
    margin-bottom: 10px;
}

.toc {
    font-weight: bold;
    color: black;
}

.toc li {
    margin-bottom: 10px;
}

.toc li a {
    color: black;
    text-decoration: none;
}

.toc li a:hover {
    color: rgb(127, 121, 121);
}

.section-content {
    transition: all 0.3s ease;
}

.section-content:hover {
    transform: scale(1.02);
    box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.1);
}