body {
  /* checkboard pattern */
  box-sizing: content-box;
  color: rgba(255,255,255,1);
  text-overflow: clip;
  background: linear-gradient(45deg, rgba(0,0,0,0.0980392) 25%, rgba(0,0,0,0) 25%, rgba(0,0,0,0) 75%, rgba(0,0,0,0.0980392) 75%, rgba(0,0,0,0.0980392) 0), linear-gradient(45deg, rgba(0,0,0,0.0980392) 25%, rgba(0,0,0,0) 25%, rgba(0,0,0,0) 75%, rgba(0,0,0,0.0980392) 75%, rgba(0,0,0,0.0980392) 0), rgb(255, 255, 255);
  background-position: 0 0, 10px 10px;
  background-origin: padding-box;
  background-clip: border-box;
  background-size: 20px 20px;
}