sending email in html + css

sending email in html + css

Hi,

How do I code a custom email with html with css coding?

I've using an email template with css. 

Can I put

<head>
<!-- If you delete this meta tag, Half Life 3 will never be released. -->
<meta name="viewport" content="width=device-width" />

<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>ZURBemails</title>
<link rel="stylesheet" type="text/css" href="http://zurb.com/playground/projects/responsive-email-templates/stylesheets/email.css" />

</head>
Regards

Umar