.rpanel.lightblue {

  @header-color: #000;
  @header-bg-color: rgba(158, 178, 187, 1.0);
  @content-bg-color: rgba(255, 255, 255, 0.85);

  @border-color: fadeout(mix(@header-bg-color, @header-color, 80%), 25%);

  > header {
    border-color: @border-color;
    background-color: fadeout(@header-bg-color, 50%);
    color: @header-color;

    .rpanel-icon {
      color: (#fff - @header-color);
      text-shadow: 2px 2px 2px @header-color;
    }

    .rpanel-title {
      text-shadow: 1px 1px 1px mix((#fff - @header-color), (#fff - (#fff - @header-color)), 65%);
    }

    .rpanel-control {
      border-color: @border-color;

      & * {
        color: @header-color;
        text-shadow: 1px 1px 1px (#fff - @header-color);
      }

      &.active {
        background-color: @content-bg-color;
      }

      &:hover {
        background-color: fadeout(@content-bg-color, 50%);
      }
    }

    .rpanel-tabs {

      .rpanel-tab {

        .rpanel-icon, .rpanel-title {
          color: mix(@header-bg-color, @header-color, 50%);
          text-shadow: none;
        }

        &.active {
          border-color: @border-color;
          background-color: @content-bg-color;
          box-shadow: 0 2px 0 saturate(fadein(@header-bg-color, 50%), 20%) inset;

          .rpanel-icon, .rpanel-title {
            color: mix(@header-bg-color, @header-color, 25%);
          }
        }

        &:not(.active):hover {
          background-color: fadeout(@content-bg-color, 50%);
        }
      }
    }
  }

  > .rpanel-body {
    background-color: fadeout(@header-bg-color, 50%);
    border-color: @border-color;

    .rpanel-toolbar {
      background-color: @content-bg-color;
      border-color: fadeout(@border-color, 35%);
    }
    .rpanel-content {
      background-color: @content-bg-color;
    }
  }
}