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