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