*{box-sizing:border-box}body,html{margin:0;padding:0;height:100%}body{font-family:-apple-system,Segoe UI,Noto Sans Arabic,Roboto,sans-serif;background:#0d0420;-webkit-font-smoothing:antialiased}.amp-viewport{max-width:480px;margin:0 auto;min-height:100%;position:relative;overflow-x:hidden}button{font-family:inherit}