.Toolbar {
  padding: 4px;
  background: #EEE;
  border-bottom: 1px solid gray;
}
.Toolbar > *:not(:first-child) {
  margin-left: 4px;
}
.Toolbar button {
  border: 1px solid gray;
  padding: 4px;
  background: #CCC;
}
.Toolbar button.selected {
  background: #ffb16f;
}