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