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