interests
me
opinions
works
   bbi
   books
   cent21isp
   code
   columns
   comics
   essays
   glowlaces
   jobs
   kwikref
     dns
     facts
     hw
     js
     photo
     post pics
     shipping
     sw
     tools
     webcode
       cgi
       css
         ref
           01
           02
             advanced
               attribute
               class
               descendant
                 child
                 descendants
               following
               id
               preceding
               psuedoclasses
               psuedoelements
               type
               universal
               usage
             intro
           03
           04
           05
           06
           07
           08
           09
           10
           11
           12
           13
           14
           15
           old back
         tools
         tutorial
       html
       html dom
       javascript
       node
       tricks
   mashups
   movie q
   netpad
   observations
   photoblog
   photoessays
   soundbites
   usenet
   videoessays
   weather
   web
   wikileaks

child

div > em { color: blue; }

Direct descendant.

descendants

p em {color: blue; }

Descendant selectors.