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