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