@import url(https://fonts.googleapis.com/css?family=Roboto);

body {
  font-family: 'Roboto';
  color: #333;
}

.text {
  width: 100%;
  text-align: center;
  height: 50px;
  line-height: 50px;
  font-size: 30px;
  position: absolute;
  top: 0;
  bottom: 0;
  margin: auto;
  .content {
    display: inline;
  }
  .dash {
    display: inline-block;
    height: 3px;
    width: 20px;
    background-color: #3498db;
    animation: blink .5s infinite linear;
  }
}

@keyframes blink {
  0% {
    opacity: 1;
  }
  99% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

$(document).ready ->
  app.init()
  
app =
  text: "Hello stranger. How are you doing?"
  index: 0
  chars: 0
  speed: 100
  container: ".text .content"
  
  init: ->
    @chars = @text.length
    @write()
    
  write: ->
    $(@container).append @text[@index]
    if @index < @chars
      @index++
      window.setTimeout ->
        app.write()
      , @speed