nav h1 {
  font-family: sans-serif;
}
.connection-status {
  height: 25px;
  width: 25px;
  background-color: #bbb;
  border-radius: 50%;
  display: inline-block;
  float: right;
}
.connection-status.online {
  background-color: #28a745;
}
.connection-status.offline {
  background-color: #dc3545;
}