The ticks on the checkbox on the problems that were solved are no longer there. They are very helpful. Could you check?\n\nI checked the tick on a problem that was solved via the browser. The div of that problem is:\n```\n<div class="check-mark completed show-prev-complete"><i class="fa fa-check-square-o" aria-hidden="true"></i></div>\n```\n\nversus another that is not solved:\n```\n<div class="check-mark incomplete show-prev-complete"><i class="fa fa-square-o" aria-hidden="true"></i></div>\n```\n\nYou can see the classes are different; so is it something with the js? Onething I notice is that if I refresh the page, the ticks show for about 2 seconds then are gone. That is really weird. I use Chrome. Tried with FireFox and see the same thing.\n\n

The ticks on the checkbox on the problems that were solved are no longer there. They are very helpful. Could you check?\n\nI checked the tick on a problem that 