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