html, body {
    overflow: hidden;
    padding: 0;
    margin: 0;
    background-color: #989898;
}

canvas {
  padding: inherit;
  margin: inherit;
}

.disable-select {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}