.modal1 {
      position: fixed;
      top: 0; left: 0;
      width: 100%; height: 100%;
      background: rgba(0,0,0,0.7);
      display: flex;
      justify-content: center;
      align-items: center;
      z-index: 1000;
    }

    .modal1-content {
      max-width: 90%;
      max-height: 90%;
      border-radius: 8px;
      background: #fff;
      overflow: hidden;
    }

    .modal1-content img {
      width: 100%;
      height: auto;
      display: block;
    }

    .modal1-close {
      position: absolute;
      top: 20px; right: 30px;
      font-size: 30px;
      color: #fff;
      cursor: pointer;
    }

    .hide { display: none; }