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WDD Lecture 4

WDD Lecture 4. Intro to CSS. What is CSS. CSS: Cascading Style Sheet Like HTML, not a programming language. File containing stylings for “selected” elements File has . css file extension

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WDD Lecture 4

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  1. WDD Lecture 4 Intro to CSS

  2. What is CSS • CSS: Cascading Style Sheet • Like HTML, not a programming language. • File containing stylings for “selected” elements • File has .css file extension • Gives the web its look. Lab1/Lab2 did not have css. The last step of Lab3 shows the difference css can make. • Structuring html using divs, ids, and classes is the primary way that we will apply css to html

  3. How to code CSS • CSS code structure: #myFavoriteLinks { Float: left; Width: 500px; } • Analysis of Code Structure: <selecter> { <css-property> : <css-value>; } • CSS can have as many of these as desired. Each set of brackets can hold multiple property-value pairs.

  4. CSS Selectors • The first component, the <selector> comes before the {}. • Selector determines on which element the css is applied. • Common Types of selectors: • By ID: #elementIDValue (replace elementIDValue with the actual value) • Must be Unique IDs • By Class: .elementClassValue (replace elementClassValue with actual value) • Does not need to be unique, used to style multiple elements • By Element Type: instead of by class or id, you can select based on what type of element it is • Exe: to style all h1 as red use this code H1 { Color: red; }

  5. Some Common CSS Properties • Like HTML, there are a wide variety of different css properties to use based on what you want to do • Common Properties: • Color: sets text color • Background-color: sets background color • Width/height: sets height or width of css element • Text-decoration: set bold/underline/italic of text • Font-size: sets font size • Background-image: set the background as an image • Each of these has potential values to use, look these up using google

  6. Including CSS on the Page • <Link> html element • <link rel=“stylesheet” type=“text/css” href=“style.css”/> (Do not copy and past) • Everything but hrefchanges • Href points to where the css file is • <style> html element <style type=“text/css”> -Put all your css here as if it were in a file </style> • Style attribute on an html element <p style=“color:yellow;”>Some paragraph text</p>

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