New Css style
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CSS (Cascading Style Sheets) allows separation of design and content on web pages. It was created in 1994 and has become the W3C standard for controlling visual presentation. Using CSS provides advantages like faster downloads, streamlined maintenance, global design control, and cost savings through reduced bandwidth and higher search engine rankings. CSS can be applied through inline styles, embedded style sheets, or external style sheets linked via HTML. Resources for learning more about CSS include various websites documenting its capabilities and best practices.
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New Css style
- 1. CSS: Separating Design and Content Global Information Internship Program from BUDNET www.budnetdesign.com
- 2. Assumptions You know HTML You do not know CSS You care about aesthetics and function You have 50 minutes to kill
- 3. What We’ll Do What is CSS? View some code and talk basics Why use CSS? Advantages to Workflow Cost Savings Implementations Resources
- 4. What are Cascading Style Sheets? Created by Hakon Wium Lie of MIT in 1994 Has become the W3C standard for controlling visual presentation of web pages Separates design elements from structural logic You get control and maintain the integrity of your data
- 5. Let’s See Some Code Sample Style sheet Rule Structure
- 6. Selectors Element Selectors – (refer to HTML tags) H1 {color: purple;} H1, H2, P {color: purple;} Contextual – (refer to HTML, but in context) LI B {color: purple;}
- 7. Selectors Class Selectors <H1 CLASS=“warning”>Danger!</H1> <P CLASS=“warning”>Be careful…</P> ……. In your HTML code - H1.warning {color: red;} OR to an entire class… .warning {color:red;}
- 8. Applying CSS to HTML Style rules can be applied in 3 ways: Inline Styles: sheets: Embedded style sheets: External style <H1 STYLE=“color: blue; font-size: 20pt;”>A large purple <HTML><HEAD><TITLE>Stylin’!</TITLE> <HEAD> Heading</H1> <STYLE TYPE=“text/css”> <LINK REL=stylesheet” TYPE=“text/css” H1 {color: purple;} HREF=“styles/mystyles.css”> For individual elementscolor: gray;} P {font-size: 10pt; using the STYLE attribute </HEAD> </STYLE> </HEAD> “separation” of style and content. This is true … Keeping all your styles in an external document is </HTML> simpler
- 9. Why CSS? Advantages to Workflow Cost Savings You WILL Be Cooler
- 10. Advantages of CSS Workflow Faster downloads Streamlined site maintenance Global control of design attributes Precise control (Advanced) Positioning Fluid layouts
- 11. Advantages of CSS - Cost Savings Cost Savings Reduced Bandwidth Costs One style sheet called and cached Higher Search Engine Rankings Cleaner code is easier for search engines to index Greater density of indexable content
- 12. Advantages of CSS - Cost Savings Faster download = better usability Web usability redesign can increase the sales/conversion rate by 100% (source: Jakob Nielson) CSS requires less code Tables require spacer images Entire table has to render before content CSS can control the order that elements download (content before images)
- 13. Advantages of CSS - Cost Savings Increased Reach CSS website is compatible w/ many different devices In 2008 an est. 58 Million PDA’s will be sold (Source: eTForecast.com) 1/3 of the world’s population will own a wireless device by 2010
- 14. Implementations Apply to HTML pages Apply to dynamic data Format or style XML Use for layout (this is cool) See http://www.csszengarden.com
- 15. CSS isn’t perfect (yet) CSS support in browsers is still uneven Make sure your CSS properties are supported
- 16. Resources http://www.csszengarden.com This is CSS at its finest http://www.w3.org/Style/CSS/ The Official CSS Site http://css.maxdesign.com.au/ Australian firm, very professional http://webmonkey.wired.com/web monkey/reference/stylesheet_guide Where I learned CSS and Web Design
- 17. Come and see me at 3:30pm! “Making Your Web Site More Appealing”