h1 {text-align: center;}

body {
  background-color: #383838;
  color: white;
  font-family: Ubuntu;
  margin: auto;
  width: 60%;
}

.navbar {
  margin: auto;
  width: 20%;
  border-style: solid;
  border-width: 3px;
  border-color: #579C8E;
  text-decoration: none;
  text-align: center;
}

a {
    color: #579C8E;
}

.center {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.centered {
  width: 100px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.column {
  float: left;
  width: 176px;
  padding: 5px;
}

.row::after {
  content: "";
  clear: both;
  display: inline-block;
}