body    {
    padding: 0;  
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

header  {
    margin-top: 14px;
    margin-bottom: 14px;
}

.mitte  {
    display: flex;
    justify-content: center;
    align-items: center;
}

#teaserbild {
    width: 100%;
    height: 300px;
}

#teaserbild img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@media screen and (min-width: 800px) {
    #teaserbild {
        height: 600px;
    }
}

nav {
    position: sticky;
    top: 0;
    backdrop-filter: blur(8px);
}

nav ul, footer ul  {
    list-style: none;
    margin: 0;
    padding: 0;
    padding-top: 24px;
    padding-bottom: 24px;
}

nav ul li a, footer ul li a {
    font-weight: 600;
    padding: 24px;
}

section {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 16px;
    padding-right: 16px;
}