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