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