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