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