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