@charset "utf-8";

* {
  margin: 0px;
  padding: 0px;
}

html,
body {
  background-color: #555555;
  color: #f0f0f0;
  text-align: center;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

canvas {
  margin: 0px auto;
  border: 1px solid silver;
}