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