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