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