table.gcode-overview {
  border-collapse: collapse;
  margin-bottom: 0.5em;
}
table.gcode-overview * {
  text-align: left;
}
table.gcode-overview th,
table.gcode-overview td {
  border: 1px solid #eee;
  padding: 4px;
}
table.gcode-overview tr.header-row {
  background: #eee;
}
table.gcode-overview tr:nth-child(even) {
  background: #f7f7f7;
}
table.gcode-overview tr.unimplemented {
  visibility: collapse;
  background: #ffff9b;
}
table.gcode-overview tr.spacer-row {
  background: transparent;
}
table.gcode-overview tr.spacer-row th,
table.gcode-overview tr.spacer-row td {
  border: none;
  height: 1em;
}