:root {
    --primary: #007bff;
    /* like blue-500: */
    --secondary: #2b7fff;
    /* like blue-400: */
    --tertiary: #51a2ff;
    /* like blue-300: */
    --quaternary: #8ec5ff;
    /* like quinary: */
    --quinary: #bedbff;
    /* like senary: */
    --senary: #dbeafe;
    /* like blue-50: */
    --septenary: #eff6ff;
    /* like blue-50: */
    --octonary: #eff6ff;
}