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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.

            
              input(type='checkbox')#toggle
label(for='toggle').wrapper
  .burger
            
          
!
            
              $col: #fff

html, body
  background: ROYALBLUE
  overflow: hidden

.wrapper
  position: absolute
  top: 0
  left: 0
  right: 0
  bottom: 0
  margin: auto
  width: 100px
  height: 100px
  cursor: pointer
  //background: #ccc
  //border-radius: 100%
  //overflow: hidden
  //transform: translateZ(0)
  
.burger
  height: 20%
  width: 100%
  top: 40%
  &, &::before, &::after
    position: absolute
    display: block
    background: $col
    border-radius: 100%/50%
    transform: translateZ(0)
  &::before, &::after
    width: 100%
    height: 100%
    content: ''
  &::before
    bottom: 200%
  &::after
    top: 200%
  
  #toggle:checked + .wrapper &
    animation: moveC .4s forwards
    &::before
      animation: moveT .4s forwards
    &::after
      animation: moveB .4s both .2s

  #toggle + .wrapper &
    animation: moveCB .2s .2s both
    &::before
      animation: moveTB .4s both
    &::after
      animation: moveBB .4s both

    
@keyframes moveC
  100%
    background: transparent

@keyframes moveT
  49.99999%
    transform: translateX(100%) translateZ(0)
  50%
    opacity: 0
    transform: translateY(200%) rotate(45deg) translateZ(0) translateX(-100%)
  100%
    opacity: 1
    transform: translateY(200%) rotate(45deg) translateZ(0) translateX(0%)

@keyframes moveB
  49.99999%
    transform: translateX(100%) translateZ(0)
  50%
    opacity: 0
    transform: translateY(-200%) rotate(-45deg) translateZ(0) translateX(-100%)
  100%
    opacity: 1
    transform: translateY(-200%) rotate(-45deg) translateZ(0) translateX(0%)    

@keyframes moveCB
  0%
    background: transparent
  50%
    background: $col
  100%
    background: $col

@keyframes moveTB
  0%
    transform: translateY(200%) rotate(45deg) translateZ(0) translateX(0%)
  50%
    transform: translateY(200%) rotate(0deg) translateZ(0) translateX(0%)
  100%
    transform: translateZ(0)

@keyframes moveBB
  0%
    transform: translateY(-200%) rotate(-45deg) translateZ(0) translateX(0%)
  50%
    transform: translateY(-200%) rotate(0deg) translateZ(0) translateX(0%)
  100%
    transform: translateZ(0)
  
  
#toggle
  display: none
            
          
!
999px
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