*{margin:0;padding:0;box-sizing:border-box}body,html{width:100%;height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#f5f5f5}body{line-height:1.6;color:#333}a{color:inherit;text-decoration:none}button,input,select,textarea{font-family:inherit}