Toast wrapper can interfere with Forum grading buttons

Login as an editing teacher or administrator Create a Forum with "Whole forum grading" enabled in any course Ensure that some users are enrolled in the course Make the window extremely narrow (think the width of a phone) View the forum Press the "Grade users" button Try to interact with the buttons at the top of the page (Save/Close/etc) Confirm that you are able to use all of those features Open Developer Tools (F12 key) Open the Javascript console Run the following code: require(['core/toast'], function(T) { T.add('Example'); T.add('Another'); }); Confirm that you see "Another" at the top, followed by "Example" underneath it Confirm that there is a gap between the top of the page and the first message