html, body {
  width:  100%;
  height: 100%;
  margin: 0;
  background-color: black;
}

canvas {
    background-color: black;
}

.menu {
  height: 100%;
  width: 100px;
  position: fixed;
  z-index: 1;
  top: 0;
  right: 0;
  color: white;
  font-family: arial;
}

input {
    max-width: 80px;
}

button {
    width: 80px;
    height: 50px;
    padding: 0;
    margin-bottom: 25px;
    background-color: #BBB;
    border-style: hidden;
    border-radius: 6px;
}

.buttons {
    position: fixed;
    bottom: 0;
}