Element block pseudo-element :after generated with z-index auto margin 0px border 0px rgba(0,0,0,1) solid transition width 100% cursor default box-shadow 1px 1px 1px rgba(0,0,0,0.3) box-sizing content-box padding 20px font-weight normal border-radius display block position absolute transform text-shadow 1px 1px 1px rgba(0,0,0,0.2) background font-size 16px height auto float none line-height 1 overflow hidden