You might believe, that the color of this paragraph would be purple, but it not true. The color is instead olive according to the important rule! Is this the result, what you really mean?

If you want, that this definition could be in use, you must put the important rule to it!

This paragraph has the class class="new", but the important rule override this definition!

This paragraph has the id class="idP", but the important rule override this definition!