.header .header-titel {
margin-top: 20px;
margin-bottom: 20px;

}


nav {
height: 50px;
}


ul.nav-pills li {
margin-left: 20px;
margin-right: 20px;

}

footer {
margin-top: 20px;
margin-bottom: 20px;
padding-top: 20px;
padding-bottom: 20px;
}