body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: url('../images/bats.gif') repeat;
    margin: 0;
    padding: 0 1em 1em 1em;
    display: grid;
    /* Switch to grid layout */
    grid-template-areas:
        "header"
        "navbar"
        "content"
        "footer";
    grid-template-rows: auto 50px 1fr auto;
    justify-content: center;
    align-items: center;
}

#container {
    width: 800px;
    background-color: white;
    border: 5px solid black;
    box-shadow: 0 5px 5px 10px rgb(0, 0, 0, 0.7);
}

/* Header Styles */
header {
    background: linear-gradient(25deg, white, orange 70%, black);
    padding: 15px;
    border-bottom: 3px solid black;
    display: flex;
    align-items: center;
}

header img {
    width: 80px;
    height: auto;
    margin-right: 20px;
}

header h1 {
    color: black;
    font-size: 40px;
    margin: 0;
}

header h2 {
    color: black;
    font-size: 20px;
    margin: 0;
}

/* Navigation Bar */
.navbar {
    background-color: black;
    padding: 10px 0;
    text-align: center;
    display: flex;
    justify-content: space-around;
}

.navbar ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    display: flex;
    width: 100%;
}

.navbar ul li {
    flex: 1;
    text-align: center;
}

.navbar ul li a {
    color: white;
    text-decoration: none;
    font-weight: normal;
    display: block;
    padding: 10px;
}

.navbar ul li a.active {
    color: orange;
}

.navbar ul li a:hover {
    background-color: gray;
}

/* Wrapper for sidebar and main content */
.content-wrapper {
    display: grid;
    /* Switch to grid layout */
    grid-template-columns: 150px 1fr;
    gap: 20px;
    align-items: stretch;
}

/* Sidebar Navigation */
.sidebar {
    width: 150px;
    padding: 20px;
    flex-shrink: 0;
}

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

.sidebar ul li {
    margin-bottom: 10px;
}

.sidebar ul li a {
    display: block;
    text-decoration: none;
    color: black;
    font-weight: bold;
    padding: 10px;
    background-color: #ffcc66;
    text-align: left;
    border: 2px solid black;
}

.sidebar ul li a:hover {
    background-color: #ff9933;
}

/* Main Content Styles */
main {
    padding: 10px 20px 20px 20px;
    background-color: white;
}

main h1 {
    font-size: 25px;
    font-weight: bold;
}

main h1::first-letter {
    font-size: 50px;
}

main h3 {
    margin-bottom: -15px;
    margin-top: 20px;
}

main a {
    font-weight: bold;
    text-decoration: none;
    color: orange;
}

/* Footer Styles */
footer {
    background: linear-gradient(15deg, black, orange 40%, white);
    text-align: center;
    font-size: 0.8em;
    padding: 10px;
    border-top: 3px solid black;
}

/* Media Query for screens with a maximum width of 800px */
@media (max-width: 800px) {
    body {
        background: none;
        border: none;
        font-size: 0.5em;
    }
}

/* Media Query for screens with a maximum width of 479px */
@media (max-width: 479px) {
    header h1 {
        font-size: 1.2em;
    }

    header h2 {
        font-size: 0.8em;
    }

    main h1 {
        font-size: 1em;
    }
}