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