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