#title{
  text-align: center;
}

#top-bar{
  background-image: url(https://lanecdr.org/wp-content/uploads/2019/08/placeholder.png);
  color: blue;
  background-position: center;
  padding :.1em;
  margin-bottom: 1em;
}

#navbar ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

#navbar li {
  float: left;
}

#navbar li a {
  display: block;
  padding: 8px;
  background-color: green;
}
#navbar #on{
  background-color: white;
}