This article will discuss some of CSS basics, but before we jump into the information it's important to answer the question, 'what is CSS?' Cascading Style Sheets (CSS) is a way to separate the arrangement of a web site from the structural markup. In other words, CSS lets webmasters separate their (X)HTML content from its style. They use the (X)HTML file to arrange the content, but all of the visual presentation (meaning the background, fonts, colors, link effects, text formatting, etc.) are created within a CSS file.

CSS Basics: Why Use Cascading Style Sheets?

When it comes to CSS basics just remember that it's a technology that serves many functions. The benefits of CSS include making sites:

Not long after electronic mail arrived so did spammers - people sending unsolicited email to other computer users hoping to sell their goods or services. To combat the influx of unwanted bulk email some software companies offered spam filters to weed out real mail from 'junk email.'

Many spam filtering programs use what's known as rule-based filtering. For example, all emails with purple-colored text or particular text like 'free trial' are considered spam. It's also possible to set values that you want to have sent to your in-box, such as text like 'order confirmation.' A rule-based filter knows your settings and makes a decision on which folder mail is sent, to your in-box or junk mail box, based on all of the rules combined.