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Creating Your Own Webpage

Creating Your Own Webpage. COSC 1301. Cascading Stylesheets. Think of: HTML: content of your webpage HTML has tags CSS: presentation and appearance of your webpage CSS has selectors We focus on HTML selectors – names of HTML tags CSS: For an HTML element, assign a value to a property

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Creating Your Own Webpage

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  1. Creating Your Own Webpage COSC 1301

  2. Cascading Stylesheets Think of: • HTML: content of your webpage • HTML has tags • CSS: presentation and appearance of your webpage • CSS has selectors • We focus on HTML selectors – names of HTML tags CSS: For an HTML element, assign a value to a property Format: For each selector, the properties/values are enclosed in curly braces: property : value ;

  3. External CSS File • Ends in .css extension • Add a link to file style.css in header of your HTML file: <head> <link rel = "stylesheet" href = "style.css"> </head>

  4. Example: style.css body { background-color: #CCFFFF; font-size: 2em; } p { color: red; text-align: center; } a { color: blue; } Background color for body is an aqua color, and font-size is 2 times the default. Text in paragraphs will be red, and will be centered. Text in anchors will be blue.

  5. Another Webpage <!DOCTYPE html> <html> <head> <title> This is my title! </title> <link rel = "stylesheet" href="style.css"> </head> <body> <h1> All About Me </h1> <p> Favorite Foods </p> <ol> <li> pesto </li> <li> sushi </li> <li> pancakes </li> </ol> <p> Favorite Websites </p> <ol> <li> <a href = "http://slashdot.org"> Slashdot </a> </li> <li> <a href = "http://stedwards.edu"> St. Edward's </a> </li> </ol> </body> </html>

  6. Some Units • px: pixels • em: multiple of current font size • 2em is 2 times the current font size • pt: points • %: percentages • in: inches

  7. Colors • Predefined includes: aqua, black, blue, fuchsia, gray, green, lime, navy, maroon, orange, olive, purple, teal, silver, white, gold, yellow • Specify as: • rgb(0, 255, 0) • rgb(0%, 100%, 0%) • #00ff00 • Can select a color (for text) and a background color: h1 { color: yellow; background-color: #CCFFFF; }

  8. Text Properties • font-family • Values: arial, Helvetica, serif, verdana • font-size • Values: bold, normal • font-weight • Values: bold, normal, bolder, lighter • font-style • Values: italic, normal • text-transform • Values: capitalize, uppercase, lowercase • capitalize: capitalizes first letter of every word • uppercase: every letter capitalized

  9. Text Alignment • Property: text-align • Values: left, right, center

  10. Margins, Borders, Padding, Oh My • An element is surrounded by a padding box • Which is surrounded by a border box • Which is surrounded by a margin box • Value of margin, padding: describes the width of the space around Example: h2 { font-size: 1.5em; margin: 20px; padding: 40px; }

  11. Border Properties • Property: border-style • Values: none (no border), dotted, dashed, solid, groove, ridge • Property: border-color • Property: border-width • Values: thin, medium, thick • Properties: border-top-width, border-bottom-width, border-left-width, border-right-width

  12. Border Example h1 { border-style: dotted; border-width: 2px; border-left-width: 10px; border-right-width: 10px; border-color: teal; }

  13. Example table {border-style: solid; color: #333333; border-width: 5px; border-color: #FF0000; width: 100%; height: 20%; text-align: center; border-collapse: collapse; } tr { border-style: dashed; border-width: 2px; border-color: #DD0000; } td{ border-style: solid; border-width: 2px; } th { border-style: solid; border-width: 2px; }

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