*{margin:0;padding:0;box-sizing:border-box}body{font-family:Open Sans,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:14px;color:#333;background-color:#f5f5f5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:inherit;text-decoration:none}button{font-family:inherit}