seahub/frontend/src/css/transfer-dialog.css

.transfer-dialog .transfer-dialog-content {
    padding: 0;
    min-height: 22.5rem;
    display: flex;
    flex-direction: column;
}

@media (min-width: 768px) {
  .transfer-dialog .transfer-dialog-content {
    flex-direction: row;
  }
}

.transfer-dialog-content .transfer-dialog-side {
    flex-basis: 29%;
    padding: 1rem;
    border-bottom: 1px solid #eee;
}

.transfer-dialog .nav .nav-item .nav-link {
    padding: 0.3125rem 0.25rem;
}

@media (min-width: 768px) {
   .transfer-dialog-content .transfer-dialog-side {
      padding: 12px 8px;
      border: 0;
      border-right: 1px solid #eee;
    }
    .transfer-dialog-side .nav {
       flex-direction: column;
     }
    .transfer-dialog-side .nav-pills .nav-item .nav-link {
       width: 100%;
       padding: 0.3125rem 0.5rem;
       margin: 0;
     }
  }
  
 .transfer-dialog-content .transfer-dialog-main {
      display: flex;
      flex-basis: 78%;
      padding: 1rem;
  }
 
 .transfer-dialog-content .transfer-dialog-main .tab-content {
      flex: 1;
  }
  
 .transfer-dialog-content .transfer-dialog-main .tab-pane {
      height: 100%;
  }