html,
body {
  width: 100%;
  min-height: 100%;
  margin: 0;
}

body {
  box-sizing: border-box;
  display: flex;
  min-height: 100vh;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #151b20;
}

#wrap {
  line-height: 0;
}

canvas {
  display: block;
  width: min(calc(100vw - 16px), 960px, calc(133.333vh - 56px));
  height: auto;
  border: 1px solid #66727a;
  background: #55aa33;
}

#credits {
  box-sizing: border-box;
  width: min(calc(100vw - 16px), 960px);
  margin: 5px 0 0;
  text-align: center;
  color: #cbd3d8;
  font-family: sans-serif;
  font-size: 11px;
  line-height: 15px;
}