body {
    padding: 0;
    margin: auto;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: grey;
    text-align: center;
    max-width: 800px;
    
}

header {
    margin: auto;
    max-width: 800px;
}

.mitte {
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: blue;
    height: auto;
    margin: 0;
    min-width: 1200px;
}

#teaser {
    width: 100%;
    height: 800px;
}

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

@media screen and (min-width: 900px) {
    #teaser {
        height: 900px;
    }
}

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

footer ul, nav ul {
    list-style: none;
    margin: 0%;
    padding: 0%;
    padding-top: 24px;
    padding-bottom: 24px
}
footer ul li a, nav ul li a {
    font-weight: 600px;
    padding: 16px;
    width: 100px;
}
section {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 16px;
    padding-right: 16px;
}
a {
    color: rgb(96, 251, 0);
    text-decoration: none;
}
.unten {
    list-style: none;
}
#Kontakt h2 {
    color: red;
}
#Kontakt {
    font-size: 40px;
}
#kontakt h4 a {
    color: black;
}
#kontakt h4 a:hover {
    color: red;
}
a:hover{
    color: black;
    text-decoration: none;
}

#Tätigkeiten {
    font-size: 40px;
}

#Einsatzgebiete {
    font-size: 40px;
}

#Startseite {
    font-size: 40px;
}