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