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

header {
    background: #333;
    color: #fff;
    padding: 1rem 0;
    text-align: center;
}

header h1 {
    margin: 0;
    font-size: 2rem;
}

main {
    padding: 1rem;
    background: #fff;
}

section {
    margin-bottom: 1.5rem;
}

h2 {
    color: #333;
    border-bottom: 2px solid #333;
    padding-bottom: 0.5rem;
}

p {
    color: #070707;
}

footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    bottom: 0;
}
body {
    margin: 0;
    font-family: Arial, sans-serif;
}

.container {
    display: flex;
    flex-direction: column;
}

.left-nav {
    width: 200px;
    background-color: #f8f8f8;
    padding: 10px;
    border-right: 1px solid #ddd;
    position: fixed;
    top: 0;
    bottom: 0;
    overflow-y: auto;
}

.content {
    margin-left: 220px; /* Adjust according to the width of the left sidebar */
    padding: 20px;
    flex-grow: 1;
}

nav ul {
    list-style-type: none;
    padding: 0;
}

nav li {
    margin: 5px 0;
}

nav a {
    text-decoration: none;
    color: #333;
    font-size: 0.9em; /* Reduce font size for navigation */
}

nav a:hover {
    text-decoration: underline;
}

nav .h1-item {
    font-weight: bold;
}

nav .h2-item {
    margin-left: 20px;
}

/* Responsive behavior */
@media screen and (max-width: 768px) {
    .left-nav {
        position: static;
        width: 100%;
        border-right: none;
        border-bottom: 1px solid #ddd;
        display: flex;
        flex-direction: column;
    }

    .content {
        margin-left: 0;
    }
}