:root { font-size: 16px; } body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; overflow-x: hidden; background-color: #e9ecef; } code { font-family: source-code-pro, Menlo, Monaco, Consolas, "Courier New", monospace; }