biofriction-wp-theme/node_modules/foundation-sites/scss/forms/_range.scss

// Foundation for Sites by ZURB
// foundation.zurb.com
// Licensed under MIT Open Source

////
/// @group slider
////

/// Default height of the slider.
/// @type Number
$slider-height: 0.5rem !default;

/// Default background color of the slider's track.
/// @type Color
$slider-background: $light-gray !default;

/// Default color of the active fill color of the slider.
/// @type Color
$slider-fill-background: $medium-gray !default;

/// Default height of the handle of the slider.
/// @type Number
$slider-handle-height: 1.4rem !default;

/// Default width of the handle of the slider.
/// @type Number
$slider-handle-width: 1.4rem !default;

/// Default color of the handle for the slider.
/// @type Color
$slider-handle-background: $primary-color !default;

/// Default fade amount of a disabled slider.
/// @type Number
$slider-opacity-disabled: 0.25 !default;

/// Default radius for slider.
/// @type Number
$slider-radius: $global-radius !default;

@mixin foundation-range-input {
  input[type='range'] {  // sass-lint:disable-line no-qualifying-elements
    $margin: ($slider-handle-height - $slider-height) / 2;

    display: block;
    width: 100%;
    height: auto;
    margin-top: $margin;
    margin-bottom: $margin;

    appearance: none;
    border: 0;
    line-height: 1;
    cursor: pointer;

    @if has-value($slider-radius) {
      border-radius: $slider-radius;
    }

    &:focus {
      outline: 0;
    }

    &[disabled] {
      opacity: $slider-opacity-disabled;
    }

    // sass-lint:disable no-vendor-prefix

    // Chrome/Safari
    &::-webkit-slider-runnable-track {
      height: $slider-height;
      background: $slider-background;
    }

    &::-webkit-slider-thumb {
      width: $slider-handle-width;
      height: $slider-handle-height;
      margin-top: -$margin;

      -webkit-appearance: none; // sass-lint:disable-line no-vendor-prefixes
      background: $slider-handle-background;

      @if has-value($slider-radius) {
        border-radius: $slider-radius;
      }
    }

    // Firefox
    &::-moz-range-track {
      height: $slider-height;
      -moz-appearance: none; // sass-lint:disable-line no-vendor-prefixes
      background: $slider-background;
    }

    &::-moz-range-thumb {
      width: $slider-handle-width;
      height: $slider-handle-height;
      margin-top: -$margin;

      -moz-appearance: none; // sass-lint:disable-line no-vendor-prefixes
      background: $slider-handle-background;

      @if has-value($slider-radius) {
        border-radius: $slider-radius;
      }
    }

    // Internet Explorer
    &::-ms-track {
      height: $slider-height;

      border: 0;
      border-top: $margin solid $body-background;
      border-bottom: $margin solid $body-background;
      background: $slider-background;

      overflow: visible;
      color: transparent;
    }

    &::-ms-thumb {
      width: $slider-handle-width;
      height: $slider-handle-height;
      border: 0;
      background: $slider-handle-background;

      @if has-value($slider-radius) {
        border-radius: $slider-radius;
      }
    }

    &::-ms-fill-lower {
      background: $slider-fill-background;
    }

    &::-ms-fill-upper {
      background: $slider-background;
    }

    @at-root {
      output {
        vertical-align: middle;
        margin-left: 0.5em;
        line-height: $slider-handle-height;
      }
    }
  }
}