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