Element block pseudo-element :before generated with border 28px rgba(0,0,0,1) solid line-height 1 display block box-sizing content-box box-shadow 1px 1px 1px rgba(0,0,0,0.3) height auto margin 0px transition z-index auto position static border-radius font-size 16px cursor default overflow hidden padding 20px text-shadow 1px 1px 1px rgba(0,0,0,0.2) font-weight normal transform float none width 160px background