body {
    margin: 0;
    font-family: Arial, sans-serif;
}

header {
    background-color: #333;
    color: white;
    padding: 10px;
    text-align: center;
}

.container {
    display: flex;
}

nav {
    background-color: #444;
    color: white;
    width: 110px;
    flex-shrink: 0;
    height: 100vh;
    overflow-y: auto;
}

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

nav ul li a {
    color: white;
    text-decoration: none;
    display: block;
    padding: 10px;
}

main {
    flex-grow: 1;
    padding: 20px;
}

nav ul ul {
    display: none;
    padding-left: 20px;
}

nav ul li:hover > ul {
    display: block;
}

nav ul ul li a {
    padding-left: 10px;
}

#postsMenu {
    display: none;
}

/* Weitere Stile... */