:root{--altcha-border-width:1px;--altcha-border-radius:7px;--altcha-color-base:#fff;--altcha-color-border:#c7c6c6;--altcha-color-text:currentColor;--altcha-color-border-focus:currentColor;--altcha-color-error-text:#f23939;--altcha-color-footer-bg:#f4f4f4;--altcha-max-width:100%}