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