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