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