* {
  box-sizing: border-box;
}

body {
  font-family: arial;
  margin: 0;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  background-color: #f4f4f4;
  color: rgb(28, 78, 104);
}

html {
  width: 100%;
  height: 100%;
}

#app {
  position: relative;
  width: 100vw;
  height: 100vh;
}

/* the canvas *must not* have any border or padding, or mouse coords will be wrong */
#canvas,
#loadingCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  border: 0px none;
  padding: 0;
  margin: 0;
}

#canvas {
  visibility: hidden;
}