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