body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(to bottom, #fffacd, #FAED21);
}

.header, .footer {
    background: linear-gradient(to bottom, #fffacd, #FAED21);
    color: black;
    text-align: center;
    padding: 1em 0;
}

.header a, .footer a {
    color: black;
    text-decoration: none;
    margin: 0 15px;
}

.main-content {
    display: flex;
    justify-content: center;
    padding: 20px;
}

.sidebar {
    background-color: #ddd;
    padding: 15px;
    width: 25%;
    border: 1px solid #ccc;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
}

.content {
    display: flex;
    justify-content: center;
    width: 75%;
}

.content .main {
    flex: 3;
    padding: 20px;
    border: 1px solid #ccc;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
}

.menu {
    text-align: center;
    margin-bottom: 20px;
}

.menu ul {
    list-style-type: none;
    padding: 0;
    display: inline-block;
}

.menu ul li {
    display: inline-block;
    margin-right: 10px;
    position: relative;
}

.menu ul li a {
    text-decoration: none;
    color: #333;
    padding: 10px 15px;
    background-color: #f4f4f4;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.menu ul li a:hover {
    background-color: #ddd;
}

.menu ul li ul {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #f4f4f4;
    border: 1px solid #ccc;
    border-radius: 5px;
    padding: 10px;
    list-style-type: none;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.menu ul li:hover ul {
    display: block;
}

.menu ul li ul li {
    display: block;
    margin: 5px 0;
}

.menu ul li ul li a {
    padding: 5px 10px;
    background-color: #f4f4f4;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.menu ul li ul li a:hover {
    background-color: #ddd;
}

h2, h3 {
    color: #333;
}

iframe {
    max-width: 100%;
    height: auto;
}

img {
    max-width: 100%;
    height: auto;
}