Customize "Fields marked with an * are required"

gistfile1.txt

/* You can change the appearance of the text using the following CSS: */

div > div.nf-form-layout > form > div > div.nf-before-form-content > nf-section > div{
         color:red; // update the color to match your preference
}

/* Change the appearance of the Asterix ( * ) using the following CSS: */
div > div.nf-form-layout > form > div > div.nf-before-form-content > nf-section > div > span{
      color:green; // update the color to match your preference
}