body,
html,
#content {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  font-family: monospace;
  z-index: -1;
  user-select: none;
  overflow: hidden;
  cursor: crosshair;
}
#Test {
  position: absolute;
  visibility: hidden;
  height: auto;
  width: auto;
  white-space: nowrap; /* Thanks to Herb Caudill comment */
  top: 0;
}
#help {
  z-index: 1;
  position: fixed;
  padding: 10px;
  top: 0;
  left: 0;
  background: rgba(0, 0, 0, 0.1);
}