Carbon Fibre - Detail

background:
  radial-gradient(
      black 15%,
      transparent 16%
    )
      0 0 / 16px 16px,
  radial-gradient(
      black 15%,
      transparent 16%
    )
      8px 8px / 16px 16px,
  radial-gradient(
      rgba(255,255,255,.1) 15%,
      transparent 20%
    )
      0 1px / 16px 16px,
  radial-gradient(
      rgba(255,255,255,.1) 15%,
      transparent 20%
    )
      8px 9px / 16px 16px
      #282828;