'berkeley-unix' for (FreeBSD).
-*- mode: outline; coding: utf-8; fill-column: 80 -*-
* Emacs.
$ sudo apt-get install css-mode
* Graphical editor.
$ sudo apt-get install cssed
* Adding CSS to HTML.
Include in head tag:
<html>
<head>
<link href="path-to.css" rel="stylesheet" type="text/css">
</head>
...
<html>
or
<head>
<style type="text/css">
h1 {border-width: 1; border: solid; text-align: center}
</style>
</head>
To change style in specific tag use:
<b style="color: blue; font-family: ariel">Welcome!</b>