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

header {
margin-top: 24px;
margin-bottom: 24px;
}

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

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

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

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

nav {
position:sticky;
top:0px;
background: green;
}
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: 600;
  padding: 16px;
  
}

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