SCSS version of the LESS styles

rc-slider.scss

$prefixClass: rc-slider;

$disabledColor: #ccc;
$border-radius-base: 6px;
$primary-color: #2db7f5;
$tooltip-color: #fff;
$tooltip-bg: tint(#666, 4%);
$tooltip-arrow-width: 4px;
$tooltip-distance: $tooltip-arrow-width+4;
$tooltip-arrow-color: $tooltip-bg;
$ease-out-quint      : cubic-bezier(0.23, 1, 0.32, 1);
$ease-in-quint       : cubic-bezier(0.755, 0.05, 0.855, 0.06);

@mixin borderBox() {
  box-sizing: border-box;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0); //  remove tap highlight color for mobile safari

  * {
    box-sizing: border-box;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0); //  remove tap highlight color for mobile safari
  }
}

.#{$prefixClass} {
  position: relative;
  height: 4px;
  width: 100%;
  border-radius: $border-radius-base;
  background-color: #e9e9e9;

  @include borderBox();

  &-track {
    position: absolute;
    left: 0;
    height: 4px;
    border-radius: $border-radius-base;
    background-color: tint($primary-color, 60%);
    z-index: 1;
  }

  &-handle {
    position: absolute;
    margin-left: -7px;
    margin-top: -5px;
    width: 14px;
    height: 14px;
    cursor: pointer;
    border-radius: 50%;
    border: solid 2px tint($primary-color, 50%);
    background-color: #fff;
    z-index: 2;

    &:hover {
      border-color: tint($primary-color, 20%);
    }
    &-active {
      &:active {
        border-color: tint($primary-color, 20%);
        box-shadow: 0 0 5px tint($primary-color, 20%);
      }
    }
  }

  &-mark {
    position: absolute;
    top: 10px;
    left: 0;
    width: 100%;
    font-size: 12px;
    z-index: 3;
  }

  &-mark-text {
    position: absolute;
    display: inline-block;
    vertical-align: middle;
    text-align: center;
    cursor: pointer;
    color: #999;

    &-active {
      color: #666;
    }
  }

  &-step {
    position: absolute;
    width: 100%;
    height: 4px;
    background: transparent;
    z-index: 1;
  }

  &-dot {
    position: absolute;
    top: -2px;
    margin-left: -4px;
    width: 8px;
    height: 8px;
    border: 2px solid #e9e9e9;
    background-color: #fff;
    cursor: pointer;
    border-radius: 50%;
    vertical-align: middle;
    &:first-child {
      margin-left: -4px;
    }
    &:last-child {
      margin-left: -4px;
    }
    &-active {
      border-color: tint($primary-color, 50%);
    }
  }

  &-disabled {
    background-color: #e9e9e9;

    .#{$prefixClass}-track {
      background-color: $disabledColor;
    }

    .#{$prefixClass}-handle, .#{$prefixClass}-dot {
      border-color: $disabledColor;
      background-color: #fff;
      cursor: not-allowed;
    }

    .#{$prefixClass}-mark-text, .#{$prefixClass}-dot {
      cursor: not-allowed!important;
    }
  }
}

@mixin motion-common() {
  animation-duration: 0.3s;
  animation-fill-mode: both;
  display: block !important;
}

@mixin make-motion($className, $keyframeName) {
  .#{$className}-enter, .#{$className}-appear {
    @include motion-common();
    animation-play-state: paused;
  }
  .#{$className}-leave {
    @include motion-common();
    animation-play-state: paused;
  }
  .#{$className}-enter.#{$className}-enter-active, .#{$className}-appear.#{$className}-appear-active {
    animation-name: "#{$keyframeName}In";
    animation-play-state: running;
  }
  .#{$className}-leave.#{$className}-leave-active {
    animation-name: "#{$keyframeName}Out";
    animation-play-state: running;
  }
}
@mixin zoom-motion($className, $keyframeName) {
  @include make-motion($className, $keyframeName);
  .#{$className}-enter, .#{$className}-appear {
    transform: scale(0, 0); // need this by yiminghe
    animation-timing-function: $ease-out-quint;
  }
  .#{$className}-leave {
    animation-timing-function: $ease-in-quint;
  }
}
@include zoom-motion(rc-slider-tooltip-zoom-down, rcSliderTooltipZoomDown);

#{keyframes} rcSliderTooltipZoomDownIn {
  0% {
    opacity: 0;
    transform-origin: 50% 100%;
    transform: scale(0, 0);
  }
  100% {
    transform-origin: 50% 100%;
    transform: scale(1, 1);
  }
}

#{keyframes} rcSliderTooltipZoomDownOut {
  0% {
    transform-origin: 50% 100%;
    transform: scale(1, 1);
  }
  100% {
    opacity: 0;
    transform-origin: 50% 100%;
    transform: scale(0, 0);
  }
}

.rc-tooltip {
  position: absolute;
  left: -9999px;
  top: -9999px;
  z-index: 4;
  visibility: visible;

  @include borderBox();

  &-hidden {
    display: none;
  }

  &-placement-top {
    padding: $tooltip-arrow-width 0 $tooltip-distance 0;
  }

  &-inner {
    padding: 6px 2px;
    min-width: 24px;
    height: 24px;
    font-size: 12px;
    line-height: 1;
    color: $tooltip-color;
    text-align: center;
    text-decoration: none;
    background-color: $tooltip-bg;
    border-radius: $border-radius-base;
    box-shadow: 0 0 4px #d9d9d9;
  }

  &-arrow {
    position: absolute;
    width: 0;
    height: 0;
    border-color: transparent;
    border-style: solid;
  }

  &-placement-top &-arrow {
    bottom: $tooltip-distance - $tooltip-arrow-width;
    left: 50%;
    margin-left: -$tooltip-arrow-width;
    border-width: $tooltip-arrow-width $tooltip-arrow-width 0;
    border-top-color: $tooltip-arrow-color;
  }
}