samples/mobilewebapp/src/main/com/google/gwt/sample/mobilewebapp/client/desktop/MainMenuCellList.css

.cellListEvenItem,.cellListOddItem {
  margin: 8px;
  border: 1px solid #666;
  -moz-border-radius: 20px 8px;
  border-radius: 20px 8px;
  padding: 18px 10px;
  font-size: 12pt;
  background-color: white;
}