html, body {
  margin: 0;
  height: 100%;
  width: 100%;
  font-family: monospace;
}

.gamepad {
  border: 1px solid #CCC;
  padding: 10px;
  margin: 10px;
  display: inline-block;
}

.secondary {
  color: #999;
}

.gamepad-title {
  margin: 5px;
}

.gamepad-buttons {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
}

.gamepad-button {
  border: 3px solid #CCC;
  margin: 5px;
  padding: 5px;
  text-align: center;
}

.gamepad-button.pressed {
  background-color: #99FF99;
}

.gamepad-axes {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
}

.gamepad-axis {
  border: 3px solid #CCC;
  margin: 5px;
  padding: 5px;
  text-align: center;
}