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