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