Element block pseudo-element :before generated with font-size 16px position static margin 0px transform border 0px rgba(0,0,0,1) solid box-sizing content-box box-shadow 1px 1px 1px rgba(0,0,0,0.3) transition z-index auto width 160px text-shadow 1px 1px 1px rgba(0,0,0,0.2) cursor default float none border-radius background display block line-height 1 overflow hidden font-weight normal padding 20px height auto