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