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