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HTML

              
                label for="animation-picker" Select animation:
select id="animation-picker"
  optgroup label='Wave'
    option value='wave' selected='' Wave
    option value='reversewave' Reverse Wave
  optgroup label='Pulse'
    option value='pulse' Pulse
    option value='boxpulse' Boxpulse
    option value='dotpulse' Dotpulse
  optgroup label='Line'
    option value='vline' Vertical Line
    option value='hline' Horizontal Line
    option value='neline' Diagonal Line
  optgroup label='Fade'
    option value='vfade' Vertical Fade
    option value='hfade' Horizontal Fade
    option value='nefade' Diagonal Fade
    option value='rfade' Ripple Fade
  optgroup label='Ripple'
    option value='rippleout' Ripple Out
    option value='ripplein' Ripple In

.grid.wave
  - for i in 1..121
    div
              
            
!

CSS

              
                @import compass
@import "compass/layout"

$divs: 121
$side: 24px
$gutter: 6px
$columns: 11
$rows: $divs / $columns
$gridwidth: $columns * ($side + $gutter)
$fade: 4s

$default: #181818
$accent: #2ecc71

=animate($animation, $duration, $delay: 0s)
  animation: $animation $duration ease-in-out $delay infinite
  -webkit-animation: $animation $duration ease-in-out $delay infinite
    
@keyframes pulse
  50%
    background: $accent
@-webkit-keyframes pulse
  50%
    background: $accent
  
@keyframes flash
  20%
    background: $accent
  40%
    background: $default
@-webkit-keyframes flash
  20%
    background: $accent
  40%
    background: $default
  
html
  background: #111
  
label, #animation-picker
  display: block
  margin: 24px
  font: bold 12px sans-serif
  color: #bbb
  
  
#animation-picker
  height: 36px
  width: $gridwidth / 2
  margin-top: -22px
  border: none
  outline: none
  font-weight: normal
  background: #282828

.grid
  +stretch(0)
  height: $rows * ($side + $gutter)
  width: $gridwidth
  margin: auto
  font-size: 0
  
  div
    display: inline-block
    height: $side
    width: $side
    margin: $gutter / 2
    background: $default
      
// WAVE
    
.wave div
  @for $i from 1 through $divs
    &:nth-child(#{$i})
      +animate(pulse, 3s, 3s*($i / $divs))
              
.reversewave div
  @for $i from 1 through $divs
    &:nth-child(#{$i})
      +animate( pulse, 3s, 3s*(-$i / $divs))
        
// FLASH
    
.pulse div  
  +animate(pulse, 2s)
    
.boxpulse div
  &:nth-child(-n + #{$columns}),
  &:nth-child(n + #{$divs + 1 - $columns}),
  &:nth-child(#{$columns}n),
  &:nth-child(#{$columns}n + 1)
    +animate(pulse, 2s)
      
.dotpulse div
  &:nth-child(#{ceil($divs / 2)})
    +animate(pulse, 2s)

// LINES

.hline div
  @for $i from 0 through $rows
    $start: $i * $rows + 1
    &:nth-child(n + #{$start}):nth-child(-n + #{$start + $rows})
      +animate(flash, 1s, 1s*($i / $rows))
        
.vline div
  @for $i from 0 through $columns
    &:nth-child(#{$columns}n + #{$i})
      +animate(flash, 1s, 1s*($i / $rows))
        
.neline div
  @for $m from 0 to $rows
    @for $n from 1 through $columns
      &:nth-child(#{$n + $m * $columns})
        +animate(flash, 1s, 1s*(($m + $n) / $rows))
          
// FADE

.vfade div
  @for $i from 0 through $rows
    $start: $i * $rows + 1
    &:nth-child(n + #{$start}):nth-child(-n + #{$start + $rows})
      +animate(pulse, .5s * $rows, 1s*($i / $rows))
        
.hfade div
  @for $i from 0 through $columns
    &:nth-child(#{$columns}n + #{$i})
      +animate(pulse, .5s * $rows, 1s*($i / $rows))
        
.nefade div
  @for $m from 0 to $rows
    @for $n from 1 through $columns
      &:nth-child(#{$n + $m * $columns})
        +animate(pulse, .5s * $rows, 1s*(($m + $n) / $rows))
          
.rfade div
  +animate(pulse, .5s * $rows)
  $levels: floor($rows / 2)
  @for $m from 1 through $levels
    $reach: ($levels - $m) * 2
    @for $n from 0 through $reach
      $start: $m * $columns + 1 + $m + $n * $columns
      &:nth-child(n + #{$start}):nth-child(-n + #{$start + $reach})
        +animate(pulse, .5s * $rows, #{- 2s * $m / ($levels + 1)})
        
// RIPPLE

.rippleout div
  +animate(flash, 2s)
  $levels: floor($rows / 2)
  @for $m from 1 through $levels
    $reach: ($levels - $m) * 2
    @for $n from 0 through $reach
      $start: $m * $columns + 1 + $m + $n * $columns
      &:nth-child(n + #{$start}):nth-child(-n + #{$start + $reach})
        +animate(flash, 2s, #{- 2s * $m / ($levels + 1)})
          
.ripplein div
  +animate(flash, 2s)
  $levels: floor($rows / 2)
  @for $m from 1 through $levels
    $reach: ($levels - $m) * 2
    @for $n from 0 through $reach
      $start: $m * $columns + 1 + $m + $n * $columns
      &:nth-child(n + #{$start}):nth-child(-n + #{$start + $reach})
        +animate(flash, 2s, #{2s * $m / ($levels + 1)})
              
            
!

JS

              
                gridWidth = $('.grid').width()

$('select').change () ->
  $grid = $('.grid')
  $grid.removeClass().width(gridWidth).addClass "grid #{$(this).val()}"
  
# width is changed to trigger a document reflow, thereby resetting all animations
              
            
!
999px

Console