HTML+CSS: how to get started

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A presentation about pretty basic stuff of HTML & CSS.

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HTML+CSS: how to get started

  1. 1. < html > + css how can I craft webpages
  2. 2. Who am I Dimitris Tsironis Founder at Geembo Javascript Developer at Bugsense Ingredients: 50% code / 50% design
  3. 3. First, a storyfrom good old days
  4. 4. What is HTML Hyper Text Markup Language It’s just text with superpowers! It’s what your browser is made for.
  5. 5. Basic elements HTML consists of elements Heading, paragraphs, articles, anchor links Images, video, audio Metadata, scripts and stylesheets
  6. 6. How it works HTML needs this to work a text-based file doctype, html, head & body tags some actual content and you’re good to go...
  7. 7. HTML elements Heading 1 - <h1>This is a title</h1> Paragraph - <p>This is a paragraph</p> Anchor link - <a href=”#”>This is a link</a> div - <div>This is a general element</div> img - <img src=”/path/to/logo.png” /> input - <input type=”text” name=”name” />
  8. 8. Classes & IDs HTML has classes and IDs to make elements easier to distinguish Classes are more generic, like a box, button etc. IDs are very specific and must be used with caution
  9. 9. Basic example HTML is as simple as ABC
  10. 10. Basic example …which actually is
  11. 11. Box model HTML elements always behave like boxes the most important thing about HTML it will help you get to the next level required to make a solid structure required to debug HTML
  12. 12. Box model Here’s the previous example. See the boxes?
  13. 13. Box model Here’s the previous example. See the boxes?
  14. 14. disappointed.this page looks bad.
  15. 15. What is CSS Cascading Style Seets It’s what makes your HTML beautiful.
  16. 16. Basic CSS rules CSS consists of rules, like this one h1 {color: black; text-align:center;} selector declaration #1 declaration #2
  17. 17. Basic CSS rules Some details about CSS rules selector defines what HTML element to target declaration have a property and a value declarations in a block, defined by brackets{...}
  18. 18. CSS selectors CSS selectors are used to target specific HTML elements with rules h1 {...} <h1>This is a title</h1> p {...} <p>This is a paragraph</p> .active{...} <div class=”active”></div> .active{...} <img class=”active”></img> #signup{...} <button id=”signup”></button>
  19. 19. IT’S ATRAP!
  20. 20. Never, ever, ever, ever use IDs in your CSS!Seriously, don’t do this. It’s messy.You’ll end with super strong selectors thatyou can’t override.
  21. 21. Tools you’ll need A crappy computer Nothing fancy, you probably already have one A competent text-editor Sublime Text 2 - highly recommended text-editor Developer’s tools Firebug is recommended, for Firefox & Chrome
  22. 22. Tools you’ll need Google search Remember, Google has the answer to your problem Wamp Server Very basic web server for your PC
  23. 23. Resources to read Mozilla Developer Network The best web library out there http://developer.mozilla.org/en-US/ CSS Tricks Your CSS buddy - you can find anything here http://www.css-tricks.com/
  24. 24. Resources to read Github The biggest source code hosting site http://github.com/edu Codecademy You can learn code by doing http://www.codecademy.com
  25. 25. Thank you! @tsironakos @geembohqtsironis.dimitris@gmail.com

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