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