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HTML

              
                .dometer
  .gauge
    .needle
    .spinner
    ul.levels
      - for i in 1..6
        li.level #{4 + 14 * i} mph

              
            
!

CSS

              
                $gaugeRadius: 160px
$spinnerRadius: $gaugeRadius/4
$needleHeight: $gaugeRadius*0.6
$textSpacing: 12px
$bg: #eee
$fg: #01cd73

// messy, beware
//

.dometer, .gauge, .needle, .spinner, .spinner::after, .level, .level::after
  position: absolute
  
.dometer
  top: 0
  left: 0
  height: 100%
  width: 100%
  font: 600 16px / 16px 'Open Sans', sans-serif
  color: $fg - #111
  background: $bg
  
.gauge
  top: 50%
  left: 50%
  height: $gaugeRadius
  width: $gaugeRadius*2
  margin: -$gaugeRadius / 2 + 36px $gaugeRadius*-1
  border-radius: $gaugeRadius $gaugeRadius 0 0
  background: $fg
  
.needle, .spinner
  bottom: 0
  left: 50%
 
.needle
  height: 0
  width: 0
  margin-left: -$spinnerRadius / 2
  border-left: $spinnerRadius / 2 solid transparent
  border-right: $spinnerRadius / 2 solid transparent
  border-bottom: $needleHeight solid $bg
  transform-origin: 50% 100%
  animation: oscillate ease-in-out 1s alternate infinite
  
.spinner
  height: $spinnerRadius
  width: $spinnerRadius * 2
  margin-left: -$spinnerRadius
  border-radius: $spinnerRadius $spinnerRadius 0 0
  background: $bg
  &::after
    $pinRadius: $spinnerRadius / 4
    content: ''
    top: $spinnerRadius - $pinRadius
    left: $spinnerRadius - $pinRadius
    height: $pinRadius
    width: $pinRadius * 2
    border-radius: $pinRadius $pinRadius 0 0
    background: $fg

.levels
  list-style: none
  padding: 0
  
.level
  bottom: 0
  padding: 0 $gaugeRadius + 4px
  &::after
    color: $bg
  
  @for $i from 1 through 6
    &:nth-child(#{$i})
      $degs: $i * 30 - 15
      @if $degs > 90
        $degs: $degs - 180
        left: $gaugeRadius
        transform-origin: 0% 50%
        transform: rotate(#{$degs}deg)
        &::after
          left: $gaugeRadius - 24px
          transform: translate(-100%, 0) rotate(#{-$degs}deg)
      @else
        right: $gaugeRadius
        transform-origin: 100% 50%
        transform: rotate(#{$degs}deg)
        &::after
          right: $gaugeRadius - 24px
          transform: translate(100%, 0) rotate(#{-$degs}deg)

      &::after
        content: '#{$i}'
  
@keyframes oscillate
  from
    transform: rotate(-70deg)
  to
    transform: rotate(70deg)
    
              
            
!

JS

              
                
              
            
!
999px

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