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