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