Why does the account selection page open inactive in the background?

Question

uLogin

When you click on a social network link generated by Ulogin on a smartphone in the Chrome mobile browser, the account selection page for some reason opens, as it were, in the background with a second inactive tab. Those. this page must be selected at the top of the browser among all pages to go to it. How to set up / fix so that when you click on a social network, this account selection page opens on top of the current page, and is immediately active?