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