If you don't mind answering a few questions...

Hello,

The following is from my validation results. Why does this come up? What are
the risks of not using background-color on these? What if I don't want to
specify it?

Thanks for any help you can spare.

-- Vanessa
Warnings
URI : http://www.kluc.com/new/template.html
  a.. Line : 18 Level : 1 You have no background-color with your color :
a:link
  b.. Line : 19 Level : 1 You have no background-color with your color :
a:hover
  c.. Line : 20 Level : 1 You have no background-color with your color :
a:active
  d.. Line : 21 Level : 1 You have no background-color with your color :
a:visited
  e.. Line : 24 Level : 1 You have no background-color with your color :
.nav-small
  f.. Line : 25 Level : 1 You have no background-color with your color :
.tab-title
  g.. Line : 26 Level : 1 You have no background-color with your color :
.tab-yellow
  h.. Line : 27 Level : 1 You have no background-color with your color :
.tab-white
  i.. Line : 28 Level : 1 You have no background-color with your color :
.date-time
  j.. Line : 35 Level : 1 You have no color with your background-color :
.right-table
  k.. Line : 36 Level : 1 You have no color with your background-color :
.adverts-table