how to block div from inheriting css from parent div?

how to block div from inheriting css from parent div?

  1. <div id="containerDiv" style="overflow:auto;">
  2.          <div ></div>
  3.         <div ></div>
  4.         <div ></div>
  5.         <div ></div>
  6.         <div ></div>......................<div>n
  7. </div>
In the above code all divs inherit "overflow:auto" and this is a desired action, but I want to turn off this inheritance for sume divs