slider/assets/index.less

@prefixClass: rc-slider;

// color
@sliderColor: #999;
@trackColor: #b2e9fd;
@normalHandleColor: #d9d9d9;
@activeHandleColor: #2db7f5;
@disabledColor: #e9e9e9;

.@{prefixClass} {
  position: relative;
  height: 4px;
  width: 100%;
  border-radius: 2px;
  background-color: @sliderColor;

  &-track {
    position: absolute;
    height: 4px;
    border-radius: 2px;
    background-color: @trackColor;
    z-index: 1;
  }

  &-handle {
    position: absolute;
    margin-left: -7px;
    margin-top: -5px;
    width: 10px;
    height: 10px;
    cursor: default;
    border-radius: 50%;
    border: solid 2px @normalHandleColor;
    background-color: #fff;
    z-index: 2;
    &:hover, &:active, &.active {
      border-color: @activeHandleColor;
    }
    &:active {
      background-color: @activeHandleColor;
      box-shadow: 0 0 3px 0 rgb(45, 183, 245, .75);
    }
  }

  &-mark {
    position: absolute;
    top: 10px;
    left: 0px;
    width: 100%;
    height: 20px;
    font-size: 12px;
    z-index: 3;
  }
  
  &-mark-text {
    position: absolute;
    display: inline-block;
    line-height: 1.5;
    height: 20px;
    vertical-align: middle;
    text-align: center;
    cursor: pointer;
    &:first-child {
      text-align: left;
    } 
  }

  &-step {
    position: absolute;
    width: 100%;
    height: 4px;
    background: transparent;
    z-index: 1;
    .dot {
      position: absolute;
      top: -2px;
      margin-left: -4px;
      width: 4px;
      height: 4px;
      border: 2px solid #fff;
      cursor: pointer;
      border-radius: 50%;
      vertical-align: middle;
      &:first-child {
        margin-left: -2px;
      }
      &:last-child {
        margin-left: -6px;
      }
    }
  }

  &-disabled {
    color: @disabledColor;
    background-color: @disabledColor;

    .@{prefixClass}-track {
      background-color: @disabledColor;
    }

    .@{prefixClass}-handle {
      border-color: @disabledColor;
      background-color: @disabledColor;
      cursor: not-allowed;

      &:hover, &:active {
        border-color: @disabledColor;
        background-color: @disabledColor;
        box-shadow: none;
      }
    }

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