.md {
  @import (multiple) '../../less/colors-md.less';
  @red: #f44336;
  @blue: #2196f3;
  @green: #4caf50;
  @yellow: #ffeb3b;
  .progressbar, .progressbar-infinite {
    height: 4px;
    background: rgba(red(@themeColor), green(@themeColor), blue(@themeColor), 0.5);
    transform-origin: center bottom;
  }
  .progressbar {
    span {
      background: @themeColor;
    }
  }
  .progressbar-infinite {
    z-index: 15000;
    &:before, &:after {
      content: '';
      background: @themeColor;
    }
    &:before {
      animation: md-progressbar-infinite-1 2s linear infinite;
    }
    &:after {
      animation: md-progressbar-infinite-2 2s linear infinite;
    }
    &.color-multi {
      &:before {
        background: none;
        animation: md-progressbar-infinite-multicolor-bg 3s step-end infinite;
      }
      &:after {
        background: none;
        animation: md-progressbar-infinite-multicolor-fill 3s linear infinite;
        transform-origin: center center;
      }
    }
  }
  .color-theme-loop({
    .color-theme-@{colorThemeName} {
      .progressbar, .progressbar-infinite {
        background: rgba(red(@colorThemeValue), green(@colorThemeValue), blue(@colorThemeValue), 0.5);
      }
      .progressbar {
        span {
          background: @colorThemeValue;
        }
      }
      .progressbar-infinite {
        &:before, &:after {
          background: @colorThemeValue;
        }
      }
    }
  });
  .color-loop({
    .progressbar.color-@{colorName}, .progressbar-infinite.color-@{colorName} {
      background: rgba(red(@colorValue), green(@colorValue), blue(@colorValue), 0.5);
    }
    .progressbar.color-@{colorName} {
      span {
        background: @colorValue;
      }
    }
    .progressbar-infinite.color-@{colorName} {
      &:before, &:after {
        background: @colorValue;
      }
    }
  });
  @keyframes md-progressbar-infinite-1 {
    0% {
      transform: translateX(-10%) scaleX(0.1);
    }
    25% {
      transform: translateX(30%) scaleX(0.6);
    }
    50% {
      transform: translateX(100%) scaleX(1);
    }
    100% {
      transform: translateX(100%) scaleX(1);
    }
  }
  @keyframes md-progressbar-infinite-2 {
    0% {
      transform: translateX(-100%) scaleX(1);
    }
    40% {
      transform: translateX(-100%) scaleX(1);
    }
    75% {
      transform: translateX(60%) scaleX(0.35);
    }
    90% {
      transform: translateX(100%) scaleX(0.1);
    }
    100% {
      transform: translateX(100%) scaleX(0.1);
    }
  }
  @keyframes md-progressbar-infinite-multicolor-bg {
    0% {
      background-color: @green;
    }
    25% {
      background-color: @red;
    }
    50% {
      background-color: @blue;
    }
    75% {
      background-color: @yellow;
    }
  }
  @keyframes md-progressbar-infinite-multicolor-fill {
    0% {
      transform: scaleX(0);
      background-color: @red;
    }
    24.9% {
      transform: scaleX(1);
      background-color: @red;
    }
    25% {
      transform: scaleX(0);
      background-color: @blue;
    }
    49.9% {
      transform: scaleX(1);
      background-color: @blue;
    }
    50% {
      transform: scaleX(0);
      background-color: @yellow;
    }
    74.9% {
      transform: scaleX(1);
      background-color: @yellow;
    }
    75% {
      transform: scaleX(0);
      background-color: @green;
    }
    100% {
      transform: scaleX(1);
      background-color: @green;
    }
  }

}