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HTML

              
                <center>
  <form id="eqRangeSlider">
    <fieldset>
      <input class="eq" type="range" name="range3" min="0" max="10" step="0.5" value="8" />
      <input class="eq" type="range" name="range3" min="0" max="10" step="0.5" value="3" />
      <input class="eq" type="range" name="range1" min="0" max="10" step="0.5" value="5" />
    </fieldset>
  </form>
</center>
              
            
!

CSS

              
                @import "compass/css3";

// HTML5 Range Sliders
// ---------------------------------
// Currently only supported in Webkit.
// Based on Equalizer by Jackie Tran Anh - 
// http://dribbble.com/shots/1143924-Equalizer

// Variables
// ---------------------------------
// Default
$body-background-color:         #aeb6bd !default;
// Form
$form-background-color:         #fff !default;
$form-box-shadow:               0 4px 2px rgba(0,0,0,0.075), 0 0 8px rgba(0,0,0,0.15) !default;
$form-width:                    256px !default;
$form-height:                   256px !default;
// Range
$range-background-color:        #46535f !default;
$range-color:                   #16C5DB !default;
$range-border-color:            #03519B !default;
$range-box-shadow:              -1px 0 1px rgba(0,0,0,0.25) inset, 0 -3px 0 rgba(0,0,0,0.1) inset;
$range-height:                  $form-height / 1.5 !default;
$range-width:                   16px !default;
$range-border-radius:           $range-width / 2 !default;
$range-thumb-background:        linear-gradient(left, #efefef, #fafafa) !default;
// Range - Thumb
$range-thumb-width:             $range-width * 4 !default;
$range-thumb-height:            $range-width * 2.5 !default;
$range-thumb-box-shadow:        1px 0 2px rgba(0,0,0,0.1), 1px 0 1px rgba(0,0,0,0.5) inset, -#{$range-thumb-height / 6} 0 #{$range-thumb-height / 8} rgba(0,0,0,0.15) !default;
$range-thumb-border:            1px solid rgba(0,0,0,0.25) !default;
// Range - Thumb - Overlay
$range-thumb-overlay-border:    2px solid rgba(0,0,0,0.1) !default;
$range-thumb-overlay-background:linear-gradient(left, #fff 0, #efefef 75%) !default;
$range-thumb-overlay-box-shadow:0 0 1px rgba(0,0,0,0.1) inset !default;
// Range - Thumb - Grip
$range-thumb-grip-background:   linear-gradient(left, transparent $range-thumb-width / 12, rgba(0,0,0,0.15) $range-thumb-width / 12, transparent $range-thumb-width / 12 + 1, transparent $range-thumb-width / 6, rgba(0,0,0,0.15) $range-thumb-width / 6 + 1, transparent $range-thumb-width / 6 + 1) !default;
$range-thumb-grip-border:       1px solid rgba(0,0,0,0.15) !default;

// Default
body {
  background-color: $body-background-color;
  padding: 0;
  margin: 0;
}

// Form
form {
  @include border-radius($form-width / 5);
  @include box-shadow($form-box-shadow);
  width: $form-width;
  height: $form-height;
  margin-top: 20px;
  background: $form-background-color;
    
  fieldset {
    position: relative;
    border: 0;
    margin: 0;
    padding: 0;
  }
}

// Range
.eq {
  @include transform(rotate(-90deg));
  @include border-radius($range-border-radius);
  @include box-shadow($range-box-shadow);
  float: right;
  position: relative;
  left: $range-width * 1.25;
  width: $range-height;
  height: $range-width;
  padding: 0;
  margin: #{$range-height / 1.5} 0 0 -#{$range-height / 1.625};
  background: $range-background-color;
  // Used in updateRangeOuput JS function as first gradient color
  color: #16C5DB;
  // Used in updateRangeOuput JS function as second gradient color
  border-color: #03519B;
  -webkit-appearance: none !important;
  outline: none;

  // Range - Thumb
  &::-webkit-slider-thumb {
    @include background($range-thumb-background);
    @include border-radius($range-thumb-width);
    @include box-shadow($range-thumb-box-shadow);
    position: relative;
    -webkit-appearance: none !important;
    width: $range-thumb-width;
    height: $range-thumb-height;
    border: $range-thumb-border;
    cursor: pointer;

  // Range - Thumb - Overlay and Grip
  &:before,
  &:after {
    position: absolute;
    content: ' ';
  }
  
  // Range - Thumb - Overlay
  &:before {
      @include background($range-thumb-overlay-background);
      @include border-radius($range-width);
      border-right: $range-thumb-overlay-border;
      @include box-shadow($range-thumb-overlay-box-shadow);
      margin: $range-width / 3 0 0 $range-width / 5;
      width: $range-thumb-width * 0.8375;
      height: $range-thumb-height * 0.6725;
    }
  
    // Range - Thumb - Grip
    &:after {
      @include background($range-thumb-grip-background);
      right: 50%;
      left: 50%;
      margin: #{$range-thumb-height / 3.5} 0 0 -#{$range-thumb-height / 5};
      width: $range-thumb-width / 4;
      height: $range-thumb-height / 2.5;
      border-left: $range-thumb-grip-border;
      border-right: $range-thumb-grip-border;
    }
  }
}
              
            
!

JS

              
                $(function () {
  var $eq = $('.eq'),
      eqWidth = $eq.width(),
      eqHeight = $eq.height(),
      eqBackgroundColor = $eq.css('background-color'),
      eqGradientColor1 = $eq.css('color'),
      eqGradientColor2 = $eq.css('border-color');
 
  // Get current range value, calculate new height and update background gradient  
  function updateRangeOutput (range) {
    var currentRangeHeight = Number(range.val() / range.attr('max')) * eqWidth + 'px';

    return range.css('background', '-webkit-linear-gradient(left, ' + eqGradientColor1 + ' 0, ' + eqGradientColor2 + ' ' + currentRangeHeight + ', ' + eqBackgroundColor + ' ' + currentRangeHeight + ', ' + eqBackgroundColor + ' ' + eqHeight + 'px)');
  };
  
  // On load or change of input range value 
  $eq.each(function () {
    updateRangeOutput($(this));
  });
 
  $eq.change(function () {
    updateRangeOutput($(this));
  });
  
});
              
            
!
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