Element block pseudo-element :after generated with font-weight normal border-radius padding 20px box-shadow 0px 2px 6px rgba(0,0,0,0.3) z-index auto transform font-size 16px border 0px rgba(0,0,0,1) solid display block box-sizing content-box position static margin 0px line-height 1 transition opacity 1 background overflow hidden width 160px float none cursor default height auto outline none text-shadow 1px 1px 1px rgba(0,0,0,0.2)