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