body {
      font-family: Arial, sans-serif;
      margin: 0; padding: 0;
      background: #f8f9fa;
    }
    h1 {
      
      margin: 20px 0;
      color: #222;
    }

    /* Timeline Container */
    .timeline {
      position: relative;
      margin: 40px auto;
      padding: 20px;
      /*max-width: 1080px;*/
      border-top: 2px solid #ddd;
      display: flex;
      overflow-x: auto;
      white-space: nowrap;
    }

    .year {
      flex: 0 0 auto;
      position: relative;
      margin: 0 40px;
      text-align: center;
      cursor: pointer;
    }

    .year .circle {
      width: 50px; height: 50px;
      background: #f48811;
      border-radius: 50%;
      margin: auto;
      margin-bottom: 8px;
      position: relative;
    }

    .year i {
      font-size: 40px;
      color: #f74073;
      margin-bottom: 6px;
      display: block;
    }

    .year span {
      display: block;
      font-weight: bold;
    }

    /* Collapsible content */
    .contenthistory {
      display: none;
      margin-top: 20px;
      background: #fff;
      border-radius: 8px;
      padding: 20px;
      box-shadow: 0 4px 10px rgba(0,0,0,0.1);
      max-width: 910px;
      margin-left: auto;
      margin-right: auto;
    }

    .year :hover {
    transform: translateY(-5px);
          color: #f74073;

    box-shadow: 0 8px 25px rgba(0,0,0,0.15);

  }

    .contenthistory img {
      width: 150px;
      height: 100px;
      margin: 10px;
      border-radius: 6px;
      cursor: pointer;
      object-fit: cover;
    }

    /* Modal */
    .modalhistory {
      display: none;
      position: fixed;
      z-index: 9999;
      padding-top: 60px;
      left: 0; top: 0;
      width: 100%; height: 100%;
      overflow: auto;
      background-color: rgba(0,0,0,0.8);
    }

    .modal-contenthistory {
      position: relative;
      margin: auto;
      padding: 0;
      max-width: 80%;
      max-height: 80%;
      text-align: center;
    }

    .modalhistory img {
      width: 50%;
      height: 50%;
      border-radius: 8px;
    }

    .close {
      position: absolute;
      top: 10px; right: 25px;
      color: white;
      font-size: 35px;
      font-weight: bold;
      cursor: pointer;
    }

    .prev, .next {
      cursor: pointer;
      top: 50%;
      width: auto;
      padding: 16px;
      margin-top: -22px;
      color: white;
      font-weight: bold;
      font-size: 30px;
      transition: 0.3s;
      border-radius: 0 3px 3px 0;
      user-select: none;
    }

    .next { right: 0; border-radius: 3px 0 0 3px; }
    .prev:hover, .next:hover { background-color: rgba(0,0,0,0.5); }

    /* Thumbnails */
    .thumbnails {
      display: flex;
      justify-content: center;
      margin-top: 10px;
        background-color: rgba(0,0,0,0.8);

    }
    .thumbnails img {
      width: 60px;
      height: 40px;
      margin: 5px;
      opacity: 0.6;
      cursor: pointer;
      border-radius: 4px;
      object-fit: cover;
    }
    .thumbnails img.active { opacity: 1; border: 2px solid #007bff; }