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

main {
  margin-left: 10px;
}

ul.navbar {
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background-color: #333;
  position: sticky;
  top: 0;
  width: 100%;
}

li.navitem {
  float: left;
}

li.navitem a {
  display: block;
  color: white;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}

li.navitem a:hover {
  color: rgb(173, 143, 143);
}