This is by design - the cursor position works as expected (tested in Chrome and Firefox)

New commit detected on ManageIQ/manageiq/euwe:
https://github.com/ManageIQ/manageiq/commit/1ffda8418fd6fc190383a7eb017b68bbfc7993a3

commit 1ffda8418fd6fc190383a7eb017b68bbfc7993a3
Author:     Harpreet Kataria <hkataria>
AuthorDate: Fri Nov 18 14:28:02 2016 -0500
Commit:     Satoe Imaishi <simaishi>
CommitDate: Fri Jan 6 11:57:58 2017 -0500

    Merge pull request #12695 from dgutride/fix-timeline-style-bugs
    
    Fix popover styles for the timelines
    (cherry picked from commit 208bc5ff8911b951a58220c094f475e45f3bdcc9)
    
    https://bugzilla.redhat.com/show_bug.cgi?id=1397154
    https://bugzilla.redhat.com/show_bug.cgi?id=1397157
    https://bugzilla.redhat.com/show_bug.cgi?id=1397158
    https://bugzilla.redhat.com/show_bug.cgi?id=1397159

 .../javascripts/controllers/timeline/timeline_options_controller.js   | 3 ++-
 app/assets/stylesheets/timeline.scss                                  | 4 ++--
 bower.json                                                            | 2 +-
 3 files changed, 5 insertions(+), 4 deletions(-)

It's not clear why this was moved back to me.

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHSA-2017-0320.html