Choose a CSS external style sheet file to validate—perhaps
you have created one for your own Web site. Otherwise, use an external style sheet
file that you worked with in this chapter. Use the W3C free CSS validator. Visit
http://jigsaw.w3.org/css-validator/. If your CSS does not immediately pass the validation
test, modify it and test again. Repeat this process until the W3C validates
your CSS code. Write a one or two paragraph summary about the validation
process. Answer the following questions. Was it easy to use? Did anything surprise
you? Did you encounter a number of errors or just a few? How easy was it to
determine how to correct the CSS file? Would you recommend this to other students?
Why or why not?