body {
  font-family: Arial, Helvetica, "Liberation Sans", FreeSans, sans-serif;
  background-color: #000;
  margin: 0;
  padding: 0;
  border-width: 0;
  overflow: hidden;
  cursor: pointer;
  position: relative;
}

.explic {
  background-color: white;
  position: absolute;
  z-index: 10;
  left: 50vw;
  top: 50vh;
  transform: translate(-50%, -50%);
  padding: 5px;
  border: 10px solid #ccc;
  border-radius: 15px;
  min-width: 75%;
  /*      max-width: 75%; */
  display: none;
}

.explic.disp {
  display: block;
}

.explic .buttons {
  text-align: center;
}

.explic button {
  margin-left: 10px;
  margin-right: 10px;
}

.highligh {
  font-style: italic;
}

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;
}

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

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

#menu.hidden #controls {
  color: #00c;
  font-weight: bold;
  font-size: 200%;
}

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

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

#splash {
  color: white;
  z-index: 15;
  position: absolute;
  left: 50%;
  top: 50vh;
  transform: translate(-50%, -50%);
  border-radius: 20px;
  border: 10px solid white;
  font-size: 400%;
  padding: 0.25ex;
}

#splash.hidden {
  display: none;
}