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