function openDialog() set width and set height Google Spreadsheete : i need set width in this dialog
[enter image description here][1]


  [1]: http://i.stack.imgur.com/iXskO.png


the code it's:

       // Use this code for Google Docs, Forms, or new Sheets.
    function onOpen() {
      SpreadsheetApp.getUi() // Or DocumentApp or FormApp.
          .createMenu('Cadastro')
          .addItem('Open', 'openDialog')
          .addToUi();
    }
    
    function openDialog() {
      var html = HtmlService.createHtmlOutputFromFile('index');
      SpreadsheetApp.getUi() // Or DocumentApp or FormApp.
          .showModalDialog(html, 'Dialog title');
    }`enter code here`

