CSS multiname reference (e.g. "name.secondname")

Question

Possible duplicate:
CSS selector with period in ID

HTML:

<input id="name.secondname" ... > 

How to define CSS style for 'name.secondname'?

 #name.secondname { ... } 

does not work.

Answer 1

Eliminate the point with \

For instance:

 #name\.secondname { } 

Answer 2

You need to run like this:

 #name\.secondname 

I should note that this seems to have been asked before: CSS selector with period in ID