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