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