body {
  height: 100vh;
  margin: 0;
  padding: 0;
  font-family: helvetica, arial, sans-serif;
}

.topfixed {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  background-color: rgba(127, 127, 127, 0.5);
  text-align: center;
}

.connectfixed {
  position: fixed;
  top: 40vh;
  left: calc(50vw - 50px);
  width: 100px;
  background-color: rgba(127, 127, 127, 0.5);
  text-align: center;
}

.bottomfixed {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100vw;
  background-color: rgba(127, 127, 127, 0.5);
  text-align: center;
}

.mobilectrll {
  position: fixed;
  bottom: 100px;
  left: 5px;
  background-color: rgba(127, 127, 127, 0.2);
}

.mobilectrlr {
  position: fixed;
  bottom: 100px;
  right: 5px;
  background-color: rgba(127, 127, 127, 0.2);
}

.mbbutton, .spacer {
  width: 50px;
  height: 50px;
  margin: 5px;
  display: inline-block;
  text-align: center;
  user-select: none;
}

.mbbutton {
  background-color: rgba(63, 63, 63, 0.5);
  border-radius: 20px;
}

.mbbutton p {
  margin: 0;
  padding: 0;
  transform: translateY(15px);
}

.fleft {
  float: left;
}

.fright {
  float: right;
}

p {
  margin: 0;
  padding: 5px;
}

canvas {
  margin: 0;
  padding: 0;
  display: block;
  touch-action: none;
}