var flashEl = document.querySelector(".flash")
var flashText = flashEl.innerHTML
var flashItems, i

flashEl.innerHTML = ""
for (var i = 0; i < flashText.length; i++) {
  item = document.createElement("span")
  item.innerHTML = flashText[i]
  item.className = "flash-item"

  // animation delay
  item.style.animationDelay = item.style.webkitAnimationDelay = item.style.mozAnimationDelay = item.style.oAnimationDelay =
    1 + 0.1 * i + "s"

  flashEl.appendChild(item)
}