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