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