/* Show bookmarks toolbar only when cursor is on top of toolbar area */ #PersonalToolbar{ margin-bottom: -22px; transform: rotateX(90deg); transform-origin: top; transition: transform 135ms linear 48ms !important; } :root[uidensity="compact"] > #navigator-toolbox > #PersonalToolbar{ margin-bottom: -20px } :root[uidensity="touch"] > #navigator-toolbox > #PersonalToolbar{ margin-bottom: -26px } #navigator-toolbox:hover > #PersonalToolbar{ transform: rotateX(0) }