Head First HTML with CSS

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character entities are for special characters 114 Chapter 3 I was just creating a Web page explaining everything I was learning from this book, and I wanted to mention the element inside my page. Isn’t that going to mess up the nesting? Do I need to put double quotes around it or something? You’re right, that can cause problems. Because browsers use < and > to begin and end tags, using them in the content of your HTML can cause problems. But, HTML gives you an easy way to specify these and other special characters using a simple abbreviation called a character entity. Here’s how it works: for any character that is considered “special” or that you’d like to use in your Web page, but that may not be a typeable character in your editor (like a copyright symbol), you just look up the abbreviation and then type it into your HTML. For example, the > character’s abbreviation is > and the < character’s is <. So, say you wanted to type “The element rocks.” in your page. Using the character entities, you’d type this instead: The <html> element rocks. Another important special character you should know about is the & character. If you’d like to have an & in your HTML content, use the character entity & instead of the & character itself. So what about the copyright symbol? And all those other symbols and foreign characters? You can look common ones up at this URL: http://www.w3schools.com/tags/ref_entities.asp or, for a more exhaustive list, use this URL: http://www.unicode.org/charts/
Q: Wow, I never knew the browser could display so many different characters. There are a ton of different characters and languages at the www.unicode.org site. A: Be careful. Your browser will only display all these characters if your computer or device has the appropriate fonts installed. So, while you can probably count on the basic entities from the www.w3schools.com page to be available on any browser, there is no guarantee that you can display all these entities. But, assuming you know there are no Dumb Questions something about your users, you should have a good idea of what kind of foreign language characters are going to be common on their machine. Q: You said that & is special and I need to use the entity & in its place, but to type in any entity I have to use a &. So for, say, the > entity, do I need to type >? A: No, no! The reason & is special is precisely because it is the first character of any entity. So, it’s perfectly fine to use & in your entity names, just not by itself. Crack the Location Challenge building blocks Just remember to use & anytime you type in an entity, and if you really need an & in your content, use & instead. Q: When I looked up the entities at the www.w3cschools.com, I noticed that each entity has a number too. What do I use that for? A: You can use either the number, like &#100 or the name of an entity in your HTML (they do the same thing). However, not all entities have names, so in those cases your only choice is to use the number. Dr. Evel, in his quest for world domination, has put up a private Web page to be used by his evil henchmen. You’ve just received a snippet of intercepted HTML that may contain a clue to his whereabouts. Given your expert knowledge of HTML, you’ve been asked to crack the code and discover his location. Here’s a bit of the text from his home page: There’s going to be an evil henchman meetup next month at my underground lair in Ðετröìτ. Come join us. Hint: visit http://www.w3schools.com/tags/ref_entities.asp and/or type in the HTML and see what your browser displays. you are here 115
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Head First HTML with CSS and XHTML
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the authors Authors of Head First H
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table of contents x 1 The No pressu
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table of contents xx Weekly Elixir
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table of contents xxiv 15 The i Ind
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how to use this book Who is this bo
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how to use this book xxviii intro W
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how to use this book Here’s what
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how to use this book Read Me This i
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the review team Tech Reviewers Lous
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1 getting to know HTML The Language
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What does the Web server do? Web se
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What the browser creates... When th
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Sharpen your pencil You’re closer
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Your big break at Starbuzz Coffee S
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Creating the Starbuzz Web page Of c
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Step four: Change your TextEdit Pre
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Step two: Open Notepad Once you’v
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Meanwhile, back at Starbuzz Coffee.
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Opening your Web page in a browser
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Starbuzz Coffee Beverages House
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Are we there yet? You have an HTML
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Tags dissected... Okay, you’ve se
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Exercise Starbuzz Coffee’s Missio
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Meet the style element To add style
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Cruisin’ with style... It’s tim
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Exercise Now that you’ve put a li
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HTML CSS Right. In fact we’re tot
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6 6 15 6 6 15 14 Across HTMLcross I
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Starbuzz Coffee Beverage
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Exercise Solutions Starbuzz Coffe
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2 going further, with hypertext Mee
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elixir.html A page listing some ref
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2 3 Edit lounge.html Open “lounge
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What does the browser do? 1 First,
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Understanding attributes Attributes
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Attributes Exposed This week’s in
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Label Destination What you write in
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Organizing the lounge... Let’s gi
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I think the problem is that the bro
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3 4 Trace a path from the source to
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Page 115 and 116: 3 building blocks We better find so
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Page 119 and 120: From a sketch to an outline Now tha
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Page 164 and 165: getting on the web Getting Starbuzz
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Page 174 and 175: uniform resource locators Mainstree
Page 176 and 177: absolute paths to your files What
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Page 182 and 183: linking to other web pages How do w
Page 184 and 185: testing those links And now for the
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exercise solutions Exercise Solutio
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images in your html How the browser
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how browsers load images 3 4 Having
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differences between gif and jpeg He
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when to use gif or jpeg 172 Chapter
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using urls with images : it’s not
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use the alt attribute for accessibi
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a fan site for ipods Creating the u
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inserting an image Sharpen your pen
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all about image sizes Q: What’s w
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choosing a photo editor 184 Chapter
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esizing an image Resizing the image
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using save for web As you can see,
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image saving and quality Save the i
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comparing image settings d 192 Chap
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viewing mypod with resized images T
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using thumbnail images Create the t
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images and layout Take myPod for an
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adding individual image pages Creat
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adding links to images Add the imag
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adding a logo 204 Chapter 5 The myP
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choosing between gif and jpeg What
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creating a transparent gif Save the
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setting a matte color Set the matte
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testing the transparent gif And now
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eview using images with html 214 Ch
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exercise solutions 216 Chapter 5 Ex
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6 standards, compliance, and all th
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standards, compliance, and all that
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HTML 4.01 Ah, the good life. HTML 4
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We can’t have your pages putting
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Okay, I think we’ve got it now. L
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See, piece of cake. The DOCTYPE is
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Validating the Head First Lounge We
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Fixing that error Okay, this looks
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See, we’re getting this error mes
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Making the validator (and more than
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Okay, it’s been more than a “fe
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I think we’ve been pretty darn st
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Do we have validation? standards, c
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Fixing the nesting problem So it lo
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Q: Okay, I think I get all this, an
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Webville Guide to Strict HTML 4.01
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there are no Dumb Questions Q: That
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Transitional Strict So, you’re ju
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Webville Forecast standards, com
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BULLET POINTS n HTML 4.01 is the HT
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Exercise Solutions standards, co
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7 moving to XHTML Putting an ‘X
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What is XML? Okay, we’re going to
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I don’t get it. We changed the DO
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XHTML is becoming the language of c
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If my HTML is transitional 4.01, an
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3 All empty tags should end in “
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Validation: it’s not just for HTM
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XHTML sounds like a good thing. Is
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HTML XHTML You’re forgetting a fe
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Across Micro XHTMLcross It’s been
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8 getting started with CSS Don’t
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getting started with css you are he
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Using CSS with XHTML We’re sure C
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Getting CSS into your XHTML Okay, y
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Cruising with style: the test drive
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Let’s put a line under the welcom
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Q: So how does that work when you h
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getting started with css Head F
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Sharpen your pencil Color in the el
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Getting the Lounge style into the e
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Linking from “lounge.html” to t
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Test driving the entire lounge... S
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Sharpen your pencil Now that you’
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It’s time to talk about your inhe
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Test drive your new CSS As usual, g
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Test drive Add a rule for the elem
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Adding a class to “elixir.html”
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A greentea test drive Save, and the
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Cool! Yes, that works. One more que
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And if we still don’t have a clea
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CSS XHTML You have to admit XHTML i
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If you have errors in your CSS, usu
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Making sure the Lounge CSS validate
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BULLET POINTS n n n CSS contains si
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Markup Magnets Solution Remember dr
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ody { } font-family: sans-serif; h1
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Who gets the inheritance? h1 and h2
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Exercise Solutions 2 S 11 L E R 3 1
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common text properties Text and fon
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overview of font families What is a
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develop your sense of fonts Bainbri
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improving tony’s journal Dusting
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some fonts questions Test driving T
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how to specify font sizes Adjusting
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using keywords for size 354 Chapter
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setting up tony’s font sizes Let
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some more questions on font size Q:
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using normal weight Test drive the
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using a font style Styling Tony’s
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overview of web colors How do Web c
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the color names 366 Chapter 9 Why d
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using rgb values Specify color in r
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understanding hex codes The two min
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using a photo editor for web colors
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put your hex skills to the test 374
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testing and more hex colors Test dr
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using a border instead of an underl
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a crossword on color 380 Chapter 9
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exercise solutions 382 Chapter 9 Cr
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10 the box model Getting Intimate w
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The music CDs and artists are style
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A very quick test drive Let’s do
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Getting ready for some major renova
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What is the border? Elements can ha
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Padding Margins Our guarantee: at t
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Meanwhile back at the lounge... We
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Creating the guarantee style Let’
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Padding, border, and margins for th
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A test drive with the margin When y
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Wait a sec, it seems like we have t
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Fixing the background image By defa
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Are we there yet? Make sure you sav
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Border Width The border-width prope
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Congratulations! Bravo! You’ve ta
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Head First: An id attribute? I thou
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But how do I use id in CSS? You sel
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Step Three: save your changes and r
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Using multiple style sheets So how
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Q: That’s pretty cool. So I can s
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XHTMLcross the box model You’re r
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Sharpen your pencil Solution Left m
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11 divs and spans Advanced Web Cons
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A close look at the elixirs XHTML A
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Let’s explore how we can divide a
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? brain power On a referral from th
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Q: So, a acts like a container tha
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Taking the for a test drive That w
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Adding some real style to the elixi
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Test driving the width Next, save t
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Well then how do we specify the wid
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Adding the basic styles to the elix
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That’s interesting because I noti
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We’re almost there... We’re clo
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What we need is a way to select des
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Changing the color of the elixir he
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Look what you’ve accomplished...
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But there’s more... Here’s anot
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there are no Dumb Questions Q: Shou
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Jim I was thinking we could just wr
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Step three: styling the s Before we
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Hey guys, I know you think you’re
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How can you style elements based on
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Putting those pseudo-classes to wor
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Isn’t it about time we talk about
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The cascade For this exercise, you
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Q: What makes a specificity number
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Step five: Finally, sort any confli
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Super brain power ?This is a specia
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Sharpen your pencil Solution h1 Her
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Sharpen your pencil Solution Your j
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12 layout and positioning Arranging
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Use the flow, Luke The Flow is what
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What about inline elements? So you
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One more thing you should know abou
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How to float an element Let’s ste
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Behind the scenes at the lounge Now
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The new Starbuzz Let’s take a qui
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layout and positioning from at
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a:link { color: #b76666; text-decor
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I have an idea. In the future, why
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Fixing the two-column problem Are y
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Test drive As usual, save your “s
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Back to clearing up the overlap pro
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Q: Do margins collapse on floated e
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Step One: start with the sidebar We
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Liquid and Frozen Designs All the d
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Test driving with a tank of jello A
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Another example of absolute positio
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Using absolute positioning We’re
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Time for the absolute test drive Ma
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One tradeoff you can make to fix th
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Positioning the award We want the a
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Float Absolute layout and positioni
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Sharpen your pencil Time to put all
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How does fixed positioning work? Co
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Putting the coupon on the page Add
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Getting relative This is it, the la
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To three-columns and beyond... Whil
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XHTMLcross layout and positioning T
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Exercise Solutions Sharpen your pen
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Solution 12 F 5 J 1 V 2 F 3 Z 4 C I
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something new from tony 550 Chapter
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an xhtml table How to create a tabl
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tables up close Tables dissected Yo
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testing you on tables Artist Album
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checking out the unstyled table Tes
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tables and style Now let’s style
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cells and the box model 562 Chapter
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dealing with table borders Getting
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coloring cells How about some color
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using table spans Another look at T
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testing your table knowledge 570 Ch
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we need a nested table Four out of
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testing and improvements Test drivi
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how to override nested styles Overr
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ack to styling lists Giving the lis
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some finer points about styling lis
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some left brain action 582 Chapter
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exercise solutions Sharpen your pen
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exercise solutions 588 Chapter 13 J
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exercise solutions 1 S 590 Chapter
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owsers and forms How forms work If
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how to write a form What you write
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the form element How the form eleme
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overview of form elements What can
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more form elements What can go in a
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the bean machine Here’s what the
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creating the form Getting ready to
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form element names How form element
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adding input elements Back to getti
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using a select Adding the element
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providing choices ? brain power Cha
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adding checkboxes Exercise 614 Chap
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successful submission The final tes
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match the form names Your informat
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form methods: get and post POST GET
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test yourself, get and post Sharpen
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tabular versus presentation 624 Cha
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deciding how to style forms To Tabl
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the xhtml, continued Ship to: N
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styling the form Styling the form a
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other form elements What more could
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eview of forms 634 Chapter 14 BULLE
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exercise solutions 636 Chapter 14 S
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the end 638 Chapter 14 Congratulati
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specialized selectors #1 More Selec
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splitting your pages #2 Frames HTML
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web tools #4 Tools for Creating Web
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generating pages #6 Server-side Scr
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etter printing with css #8 More abo
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etter looking blogs #10 Blogs Weblo
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the index block elements flow 488-4
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the index CSS (continued) using wit
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the index forms (continued) picking
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the index images (continued) users
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the index No Dumb Questions !import
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the index passwords in forms 633 PD
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the index spanning rows and columns
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the index text, font size (continue
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