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