/* [XUL] Hide the bookmark bar automatically */
@namespace url(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul);
#PersonalToolbar {
  visibility: collapse !important;
}

#nav-bar:hover ~ #PersonalToolbar,
#PersonalToolbar:hover {
  visibility: visible !important;
}

/* [XUL] Hide the bookmark bar automatically */
@namespace url(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul);
#main-window:not([customizing="true"]) #PersonalToolbar {
  visibility: collapse !important;
}

#main-window:not([customizing="true"]) #nav-bar:hover ~ #PersonalToolbar,
#main-window:not([customizing="true"]) #PersonalToolbar:hover {
  visibility: visible !important;
}

Fix the issue that the bookmark bar is hidden when customizing mode
Fix the issue that the bookmark bar is hidden when customizing mode
