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