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