Reference to multiname in CSS (e.g. 'name.secondname') [duplicate]

Question

Possible Duplicate:
CSS selector with period in ID

HTML:

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

How should I define a CSS style for 'name.secondname' ?

#name.secondname {
  ...
}

doesn't work.

Answer 1

Escape the dot with \

For example:

#name\.secondname {

}