/* Left pane header */
    .gh-l {
      padding: 0 14px;
      height: 48px;
      display: flex;
      align-items: center;
      background: rgba(4, 10, 28, .99);
      border-bottom: 2px solid rgba(59, 130, 246, .2);
      border-right: 1px solid rgba(59, 130, 246, .15);
      font-size: 10px;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--mu);
      position: sticky;
      top: 0;
      z-index: 10;
    }