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