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