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