.chatto *,.chatto :before,.chatto :after{box-sizing:border-box;margin:0;padding:0}.chatto{-webkit-font-smoothing:antialiased;color:#111;background-color:#fff;font-family:SF Pro Display,SF Pro Text,-apple-system,BlinkMacSystemFont,Inter,Helvetica Neue,Arial,sans-serif;overflow-x:hidden}