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