body {
  font-family: Arial, Helvetica, "Liberation Sans", FreeSans, sans-serif;
  background-color: #000;
  margin: 0;
  padding: 0;
  border-width: 0;
  caret-color: transparent;
  min-height: 100vh;
  overflow: hidden;
}

input {
  caret-color: auto;
}

#menu {
  font-size: 80%;
  margin: 0;
  padding: 5px;
  position: absolute;
  left: 5px;
  top: 5px;
  border-radius: 10px;
  background-color: rgba(255, 255, 128, 0.9);
  color: black;
  z-index: 10;
  max-height: 95vh;
  overflow: auto;
  cursor: default;
}

#menu.hidden #showhide {
  display: none;
}

#controls {
  margin-top: 0px;
  margin-bottom: 0px;
}

#menu p {
  margin-top: 6px;
  margin-bottom: 6px;
}

#menu button {
  margin-right: 5px;
  margin-left: 5px;
  border-radius: 5px;
}

#menu button.blink {
  box-shadow: 0px 0px 5px red;
}

#menu .center {
  text-align: center;
}

#canvdraw {
  cursor: grab;
}

#canvdraw.grabbing {
  cursor: grabbing;
}

#menu .menugroup p:first-child::after {
  content: " ▼";
}

#menu .menugroup.closed p:first-child::after {
  content: " ►";
}

#menu .menugroup.closed p:nth-child(n + 2) {
  display: none;
}

#canvstr {
  z-index: 5;
}