TAILIEUCHUNG - Pro CSS Techniques- P8

Tham khảo tài liệu 'pro css techniques- p8', công nghệ thông tin, kỹ thuật lập trình phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 322 CHAPTER 14 EVERYTHING FALLS APART Summary You now have the tools and knowledge to diagnose and fix the major issues you re likely to encounter developing with X HTML and CSS. No CSS problem is impossible to solve it just takes patience and a logical process along with a handful of resources and reference material. If you follow these suggestions you ll be able to hold onto most of your sanity during the testing process. APPENDIX A CSS Reference kppendix A serves as a full reference to all CSS properties including basic browser support information for the four most commonly used desktop browsers Firefox Safari Opera and Internet Explorer. CSS Units Keywords and Other Property Values CSS includes a fixed set of units and keywords as values for several of its properties. The first section of this appendix covers these property values. Later in the appendix when we cover individual properties you ll find references to these predefined values. Factors and Integers Numeric values in CSS can be either factors decimal numbers or integers whole numbers . In most cases negative versions of both are allowed. Colors CSS colors can be specified as a red green and blue RGB value a hexadecimal value or one of 17 predefined color name keywords. Few web designers use RGB values. Hexadecimal is the most common method used followed by color keywords. Hexadecimal Value A hexadecimal value is the hash symbol or pound sign followed by pairs of hexadecimal digits specifying red green and blue components of the intended color. Hexadecimal digits are numbers or letters in the range 0-9 or a-f. Three-digits shortcuts in the form rgb can be substituted for rrggbb. Examples 50017c d0cecf dfdfdf f80 9c0 323 324 APPENDIX A CSS REFERENCE Color Name The available color names are aqua black blue fuchsia gray green lime maroon navy olive orange purple red silver teal white and yellow. RGB Value Red green and blue components are specified as either percentages or integers in the range 0-255.

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