The document provides an overview of CSS (Cascading Style Sheets) methodology. It defines CSS as the language used for implementing designs on HTML documents. It then covers CSS basics including selectors, properties, conflicts resolution using specificity and cascade order. It also discusses the box model which defines how browsers handle rectangular boxes for elements. Finally, it offers some best practices tips such as resetting styles, separating content from design, and planning layout during HTML coding.

1. CSS Methodology by Zohar Arad

4. CSS Basics - Selectors Selector Pattern Description Universal * Matches any element Type (element) E Matches any E element Class .class Matches any element with class="class" ID #id Matches any element with id="id" Descendant E D Matches any element D who is a descendant of element E Child E > D Matches any element D who is a direct child of element E Sibling E + D Matches any element D who is a direct sibling (adjacent) of element E Attribute E[attr] E[attr=val] E[attr~=val1 val2] E[attr|=val] Match element with attr attribute is equal to val attribute is equal to val1 or val2 attribute is not equal to val Pseudo-classes :hover, :active, :visited, :link, :first-child, :first-line, :first-letter :before, :after

7. CSS Basics - Conflict Resolution p - 0,0,0,1 p.class - 0,0,1,1 #nav li.active - 0,1,1,1 .ie .menu a:hover - 0,0,3,1 form input[type=submit] - 0,0,0,2 inline styles ID selectors Class selectors Type selectors 1 1 1 1