Thinkful - Frontend Crash Course - Intro to HTML/CSS

1. Frontend Crash Course Intro to HTML/CSS March 2017 http://bit.ly/tf-html-css-dc WiFi - In3-Guest

2. About me • Tyler Brewer  • Web Developer @ Excella Consulting  • Thinkful Alumni  • Former Graphic Designer

3. About us Thinkful prepares students for web development & data science jobs with 1-on-1 mentorship programs

4. About you - ‘round the room • What’s your name? • What’s your programming background? • What’s your goal?

5. Goals • Core concepts of HTML/CSS to build websites • Drills to practice those concepts • Build your ﬁrst website • Get more comfortable learning to code • Take home challenges

6. How the web works Type a URL from a client (e.g. google.com) Browser communicates with DNS server to find IP address Browser sends an HTTP request asking for specific files Browser receives those files and renders them as a website

7. Clients / Servers Client (sends requests) Frontend Developer Manages what user sees Server (sends response) Backend Developer Manage what app does

8. How it relates to what we’re doing When we write HTML & CSS today, we are creating those ﬁles that are stored on a server which are then sent and then rendered by your browser

9. Setup http://bit.ly/tf-html-classroom Normally to write our code we’d use a text editor or an integrated development environment (IDE) But since we’re learning we’re going to write our code in a website to skip the setup, see our results immediately, and make it easy for us to track progress

10. Let’s start with HTML HTML is the content and structure of a webpage It’s the skeleton of your website

11. By itself, HTML is ugly

12. We’ll make it pretty later We will start with just HTML — we’ll then add a Cascading Style Sheet (CSS) ﬁle to “style” our website. More on that later…

13. Your ﬁrst website Copy this code (don’t worry if you don’t understand it) <html> <body> <h1>Hello world!</h1> </body> </html>

14. Key HTML concepts • Tags • Elements • Attributes

15. HTML tags Every tag starts with a “less than” sign and ends with a “greater than” sign <html> #this is an HTML opening tag <body> #this is a body opening tag <h1>Hello world!</h1> #this is set of H1 tags </body> #this is a body closing tag </html> #this is an HTML closing tag

16. More about tags • There are opening tags and closing tags — closing tags have a backslash before the tag name (</html> versus <html>) • Tags instruct a browser about the structure of our website • There are hundreds of built-in tags though you’ll use the same few a lot

17. Non-exhaustive list of HTML tags • <html> #html tags wrap your entire page • <head> #head tags holds info about the page • <body> #body tags wrap around your content • <h1> #signiﬁes the largest headline (through h6) • <p> #wraps a paragraph of writing • <div> #div tags are generic container tags • <a> #anchor tags for text to be a link • <ul><li> #unordered list of items • <button> #this is a button

18. HTML elements HTML elements usually consist of an opening tag, closing tag, and some content <html> #html element starts here <body> #body element starts here <h1>Hello world!</h1> #this is an HTML element </body> #body element ends here </html> #html element ends here

19. More about elements Some consist of just a self-closing tag <img src=“http://i.imgur.com/Th5404r.jpg">

20. A note about <div>’s We use <div> tags to separate sections of our site. This will allow for sophisticated styling. It’s a good habit to “wrap” most sections into a <div> <div> <h1>Hello world!</h1> </div>

21. HTML attributes HTML attributes set properties on an element — the are attached in the opening tag <a href=“https://somewhere.com">This is a link</a> href is an attribute that sets the destination of a link <h1 class=“headline”>This is a headline</h1> class is one attribute that identiﬁes element (for CSS & Javascript)

22. HTML Challenges Complete the following assignments on http://bit.ly/tf-html-classroom • About me • Images • Links

23. What is CSS? Cascading Style Sheets (CSS) interact with your HTML to determine the visual presentation of your webpages

24. CSS example p { color: red; font-size: 36px; }

25. CSS solves two problems • Visual presentation of each element • Layout of elements

26. Key CSS concepts • Selectors • Property • Value • Declaration / Declaration Block

27. CSS selectors • Determine HTML elements to target for styles • Can target tags, classes, id’s and many more! • Selectors can be combined

28. Example selectors p (selects all paragraph tags) .name (selects HTML elements with class “name”) p.name (selects paragraph tags with class “name”)

29. CSS properties Determines aspect of an element’s appearance to change • color (set the font color) • font-family (sets main and backup typefaces) • background-image (sets background image) • height (sets the height of an element)

30. More on CSS properties • Each property has a default value — when you write CSS, you override that default with a new value • There are lots of CSS properties! For a full list see http://www.htmldog.com/references/css/properties/

31. CSS values Determines the aspect of the element’s appearance we wish to change • color: red, blue, green, #CCCCCC acceptable values for the color property • font-family: helvetica, arial, sans-serif acceptable values for the font-family property • background-image: url(“imageFile.jpg") looks for a URL value for image ﬁle • height: 40px, 50% set in pixels or percentage of container height

32. Declarations and declaration blocks This is a declaration block containing two declarations p { color: red; font-size: 36px; }

33. CSS challenges Complete the following assignments on http://bit.ly/tf-html-classroom • Selectors • Classes

34. Linking CSS to HTML • Normally you’d have one HTML file for each webpage (for example, home.html and profile.html), and a single CSS file for the whole website’s styles (styles.css) • To link your stylesheet to your HTML, you’d insert the following line into the <head> section of your HTML webpage • <link rel="stylesheet" type="text/css" href="theme.css">

35. Learning to learn • Google is your friend! • Practice at the edge of your abilities • Ignore the hot new thing. Instead go deep with one technology

36. Ways to keep learningLevelofsupport Learning methods

37. 1-on-1 mentorship enables ﬂexibility 325+ mentors with an average of 10 years of experience in the ﬁeld

38. Support ‘round the clock

39. Our results Job Titles after GraduationMonths until Employed

40. Try us out! • Initial 2-week trial includes six mentor sessions for $50 • Learn HTML/CSS and JavaScript • Option to continue onto web development bootcamp • Talk to me (or email tj@thinkful.com) if you’re interested

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