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