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

header {
    width: 100%;
    height: 400px;
    background: url('Untersberg_Mohnblumen.jpg') no-repeat center top/cover;
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    color: white;
    text-align: left;
    padding: 20px;
    position: relative;
}

.header-text {
    background: rgba(0, 0, 0, 0.6);
    padding: 15px;
    border-radius: 10px;
    font-size: 1.5em;
    position: absolute;
    top: 10px;
    left: 10px;
}

.header-text p {
    margin: 5px 0;
}

main {
    display: flex;
}

.sidebar {
    width: 250px;
    background: #333;
    color: white;
    padding: 20px;
}

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

.sidebar ul li {
    margin: 10px 0;
}

.sidebar ul li a {
    color: white;
    text-decoration: none;
    padding: 10px;
    display: block;
    transition: background 0.3s, color 0.3s;
}

.sidebar ul li a:hover {
    background: #555;
    color: #ffd700;
}

.content {
    flex-grow: 1;
    padding: 20px;
}