how can i change input style in Validation

[eluser]Kotzilla[/eluser]
i make key-in form it's working fine for validation.
but i have question about how to change CSS of input ?

example if i want to make red border of input if it blank
how can i change it ? JS or CI have function to solve my problem

thank's =)

[eluser]bapobap[/eluser]
I use something like this:

Code:

if (empty($this->validation->email_error)): echo '<div class="normal">'; else: echo '<div class="error">'; endif;

Then just use different CSS for your normal and error view.

[eluser]Kotzilla[/eluser]
Thank's a lot bapobap