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

header, main, nav {
    width: 80%;
    margin: auto;
}

header img {
    width: 100%;
    max-width: 300px;
    display: block;
    margin: 20px auto;
}

main h1, main h2 {
    text-align: center;
}

main img {
    display: block;
    margin: 20px auto;
    max-width: 200px;
    border-radius: 50%;
}

.content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin: 20px 0;
}

.text-links, .vorteile-rechts {
    width: 48%;
}

.text-links p, .vorteile-rechts ul {
    line-height: 1.6;
}

.vorteile-rechts h2 {
    margin-top: 0;
}

nav {
    text-align: center;
    margin: 20px 0;
}

nav a {
    margin: 0 10px;
    text-decoration: none;
    color: #000;
}