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Here you can Sed posuere consectetur est at lobortis. Donec ullamcorper nulla non metus auctor fringilla. Maecenas sed diam eget risus varius blandit sit amet non magna. Donec id elit non mi porta gravida at eget metus. Praesent commodo cursus magna, vel scelerisque nisl consectetur et.

HTML

              
                .add Add toast
ul.toasts
              
            
!

CSS

              
                html, body
  background: #111
  overflow-x: hidden

.add
  display: inline-block
  cursor: pointer
  font-family: sans-serif
  padding: 15px 20px
  background: #333
  color: white
  border-radius: 2px
  margin: 10px
  user-select: none
  transition: all .2s
  &:hover
    background: #444
  &:active
    background: #222
    color: #ccc

.toasts
  position: fixed  
  max-width: 100%
  width: 250px
  right: 0
  bottom: 0
  transform: translateZ(0)
  padding: 0 10px
  box-sizing: border-box
  transition: height 1s
  z-index: 100

  li
    width: 100%
    box-sizing: border-box
    font-family: sans-serif
    padding: 15px 20px
    background: #222
    color: white
    border-radius: 2px
    margin: 10px 0
    animation: popup .6s cubic-bezier(0.10, 1.06, 0.60, 1.34), hide .4s 3s
    
    &.message
      background: #358
    &.error
      background: brown
    &.warn
      background: chocolate
    &.success
      background: seagreen

@keyframes popup
  from
    transform: translateX(50%)
    opacity: 0
  100%
    transform: translateX(0%)
    opacity: 1


@keyframes hide
  from
    opacity: 1
  100%
    opacity: 0
              
            
!

JS

              
                toasts = document.querySelector '.toasts'
button = document.querySelector '.add'
types = ['error', 'message', 'warn', 'success']


addToast = (type = 'message', text)->
  toast = document.createElement 'li'
  toast.classList.add type
  toasts.appendChild toast
  toast.innerHTML = "#{type}: Lorem ipsum dolor"
  
button.addEventListener 'click', ->
  type = types[Math.floor(Math.random()*types.length)]
  addToast type, 'Lorem'


toasts.addEventListener 'webkitAnimationEnd', (e)->
  if e.animationName is 'hide'
    toasts.removeChild e.target

toast = ()->
  type = types[Math.floor(Math.random()*types.length)]
  addToast type, 'Lorem'
  clearTimeout timeout
  timeout = setTimeout toast, (Math.random()*2000+2000)
 
timeout = setTimeout toast, 1000
              
            
!
999px

Console