jQuery UI Dialog - missing close icon

Question

I\'m using a custom jQuery 1.10.3 theme. I downloaded every straight from the theme roller and I have intentionally not changed anything.

I created a dialog box and I

Answer 1

I was facing same issue , In my case JQuery-ui.js version was 1.10.3, After referring jquery-ui-1.12.1.min.js close button started to visible.