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