  .drag-source {
        border: 2px solid blue;
        width: 200px;
        height: 60px;
        margin: 10px;
        padding: 10px;
        cursor: move;
      }
      .drop-target {
        border: 2px dashed red;
        width: 200px;
        height: 60px;
        margin: 10px;
        padding: 10px;
      }
      .test-container {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
        margin: 20px 0;
      }
      .result {
        margin: 5px 0;
        padding: 5px;
        bo