When we display the hint string for e.g. (or swipe finger), the login
box gets pushed up. This is leftover from older styling and should be
removed. The padding-top is unnecessary and can also be removed, so just
remove the whole line styling login-dialog-message-hint from the
stylesheet.
Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1582>
.login-dialog-banner { color: darken($osd_fg_color,10%); }
.login-dialog-button-box { width: 23em; spacing: 5px; }
.login-dialog-message { text-align: center; }
-.login-dialog-message-hint { padding-top: 0; padding-bottom: 20px; }
.login-dialog-user-selection-box { padding: 100px 0px; }
.login-dialog-not-listed-label {
padding-left: 2px;