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