body {
  background-color: rgba(0, 0, 0, 0.05);
  background-image: repeating-linear-gradient(0deg, transparent, transparent 7px, rgba(0, 0, 0, 0.2) 1px, transparent 8px), repeating-linear-gradient(90deg, transparent, transparent 7px, rgba(0, 0, 0, 0.2) 1px, transparent 8px);
  background-size: 8px 8px;
}

html {
  box-sizing: border-box;
  font-family: Helvetica, "sans-serif";
  font-size: 14px;
}

*, *:before, *:after {
  box-sizing: inherit;
}