.box, .idle, .columns .column, .running, .error {
  border: 1px solid #000;
  border-radius: 5px;
  padding: 3px 7px 3px 7px;
  margin: 2px;
}

.error {
  border-color: #d22;
  background-color: #fdd;
}

.running {
  border-color: #dd2;
  background-color: #ffd;
}

.idle, .columns .column {
  border-color: #2d2;
  background-color: #dfd;
}

.devices li, .commands li {
  margin-bottom: 5px;
}
.devices li:last-child, .commands li:last-child {
  margin-bottom: 0;
}
.devices ul, .commands ul {
  margin-top: 5px;
}

.columns {
  display: flex;
  margin-bottom: 5px;
}
.columns .column {
  flex: 1;
}

code {
  border: 1px solid #99f;
  border-radius: 3px;
  background-color: #ddf;
  padding: 0px 2px 0px 2px;
}

footer {
  font-size: 0.75rem;
  margin-top: 3px;
}