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