.sheetBox {
  display: flex;
  .sheetItem {
    padding: 10px;
    width: 100%;
    h3 {
      font-size: 24px;
      margin-bottom: 10px;
      font-weight: bold;
    }
  }
  iframe {
    width: 100%;
    height: 70vh;
    border: none;
  }
}