/* Right pane header */
    .gh-r {
      height: 48px;
      background: rgba(4, 10, 28, .99);
      border-bottom: 2px solid rgba(59, 130, 246, .2);
      position: sticky;
      top: 0;
      z-index: 10;
      overflow: hidden;
    }

    .months-row {
      display: flex;
      height: 48px;
    }

    .month-cell {
      flex-shrink: 0;
      display: flex;
      align-items: center;
      justify-content: center;
      border-right: 1px solid rgba(148, 163, 184, .07);
      font-size: 10px;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: .7px;
      color: var(--mu);
    }