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