why we use html and css

... 1543-1623</h2> If you're still confused, refer to Appendix B, "HTML 4.01 Quick Reference," which has a summary of all the HTML tags and rules for which tags can and cannot go inside each one ... retrieves and parses the file homepage.html in the foo directory Note Navigating FTP servers using a web browser can often be much slower than navigating them using FTP itself because the browser ... either because the server explicitly says that the file is HTML or by the file's extension, browsers will parse and display that file as an HTML file If they don't recognize it as an HTML file,

Ngày tải lên: 07/07/2014, 09:20

... file:///G|/1/0672328860/ch05lev1sec8.html (4 von 4) [19.12.2006 13:48:42] Lesson 6. Formatting Text with HTML and CSS Lesson 6. Formatting Text with HTML and CSS In Lessons 4, "Learning the Basics of HTML," and ... breaks, rule lines, addresses, and quotations In addition, you'll learn the differences between standard HTML and HTML extensions, and when to choose which tags to use in your pages. You'll ... been deprecated in XHTML, and how to use CSS to achieve the same effects. Finally, you'll create a complete web page that uses many of the tags presented today, as well as the information

Ngày tải lên: 07/07/2014, 09:20

... created using CSS. Before I go into these properties, however, I want to talk a bit about how to use them. As I've said before, the style attribute can be used with most tags. However, most ... browser).</p> Now let's look at how you use CSS to create boldfaced text. In the world of HTML, there are two options: bold and not bold. With CSS, you have (theoretically) many more options. ... font weights available using CSS can be spotty. To specify that text should be boldface, the font-weight property is used. Valid values are normal (the default), bold, bolder, lighter, and

Ngày tải lên: 07/07/2014, 09:20

... in HTML To convert this tag to XHTML and to ensure compatibility with HTML browsers, add a space and forward slash to the end of the tag and its attributes, as shown in the following example: And ... address tag <address> is used for signature-like entities on web pages Address tags usually go at the bottom of each web page and are used to indicate who wrote the web page, who to contact for ... named entities and numbered entities Named entities begin with an ampersand (&) and end with a semicolon (;) In between is the name of the character (or, more likely, a shorthand version of

Ngày tải lên: 07/07/2014, 09:20

... browser might get confused. You'll have the same problem with the greater-than character ( >) because it means the end of a tag in HTML, and with the ampersand ( &) because it signals the ... file:///G|/1/0672328860/ch06lev1sec9.html (3 von 3) [19.12.2006 13:48:46] Fonts and Font Sizes Fonts and Font Sizes The <font> tag, part of HTML 3.2 but deprecated in HTML 4.01 (again, in favor of style sheets), is used ... for: When you specify units in CSS, you must leave no spaces between the number of units and unit specification. In other words, 12pt and 100% are valid, and 12 pt and 100 % aren't. There's

Ngày tải lên: 07/07/2014, 09:20

... to use these tags and attributes You'll learn more about formatting tags and attributes, as well as how to design well with them, in Lesson 15, "Creating Applications with Dynamic HTML and ... page, stop and review what you have, both in the plan and in your web page For the purposes of this example, stop here and stick with the links you have You're close enough to being done, and I don't ... <li>Sandra Bellweather, <a href="belladonna.html"> <cite>Belladonna</cite></a></li> <li>Johnathan Tin, <a href="20minmeals.html">

Ngày tải lên: 07/07/2014, 09:20

... (nonstandard; supported by Netscape and Internet Explorer) Adds a space and forward slash at the end of the tag for XHTML 1.0 heading (Deprecated in HTML 4.01.) heading (Deprecated in HTML 4.01.) ... (Deprecated in HTML 4.01.) changes are based (Deprecated in HTML 4.01.) There is no closing tag in HTML for <basefont>; for XHTML, add a space and forward slash ( /) at the end of the tag and its ... style tags and what they're used for Explain why you should use the logical tags instead of the physical tags Quiz Answers 1. Logical styles indicate how the highlighted text is used (citation,

Ngày tải lên: 07/07/2014, 09:20

... "http://www.w3.org/TR/xhtml1/DTD/transitional.dtd"> <html> <head> <title>Welcome to the Halloween House of Terror</title> </head> <body> <h1>Welcome to The Halloween House of Terror!!</h1> ... 5<p><img src="house.jpg" alt="House of Terror" /> <img src="house.jpg" alt="House of Terror" /></p> <h1>Welcome to The Halloween House of Terror!!</h1> ... are part of HTML 3.2 or HTML 4.01 and might not be understood by some older browsers Still other attributes have been deprecated in favor of style sheets with the HTML 4.01 and XHTML 1.0 specifications

Ngày tải lên: 07/07/2014, 09:20

... 2Images and Text<img> tag: left and right These new values were incorporated into HTML 3.2 and are now supported by all current browsers align="left" and align="right" align="left" ... images) after an aligned image, and the text will be wrapped into the space between the image and the margin Or you can have images on both margins and put the text between them The browser fills ... horizontal and vertical spacing around the image, and the lower example shows the effect file:///G|/1/0672328860/ch07lev1sec4.html (10 von 12) [19.12.2006 13:48:53] Trang 6Images and Textproduced

Ngày tải lên: 07/07/2014, 09:20

... <map> tag and the image that uses it: Input <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/transitional.dtd"> <html> ... music/swing.html 259,113,323,134 6 rect music/jazz.html 259,139,323,159 7 rect music/gospel.html 259,163,323,183 8 circle music/help.html 379,152,21 For the jukebox image, the <map> tag and its ... coordinates uses usemap, as follows: <img src="jukebox.gif" usemap="#jukebox"> Finally, put the whole thing together and test it. Here's a sample HTML file for

Ngày tải lên: 07/07/2014, 09:20

... as links, and how to wrap text around images, you know what most people do with images on web pages But you can play with a few newer tricks as well. All the attributes in this section were originally ... extensions They were later incorporated into HTML 3.2, but most have been deprecated in its successor, HTML 4.01 Image Dimensions and Scaling Two attributes of the <img> tag, height and width, ... the height and width of the image in pixels Both became part of the HTML 3.2 specification, but they're deprecated in HTML 4.01 in favor of style sheets If you use the actual height and width

Ngày tải lên: 07/07/2014, 09:20

... effect in all current browsers, you can use a combination of HTML and CSS To place the caption at the bottom right of the table, you would use the align attribute and text-align property as follows: ... </html> The result is shown in Figure 8.14 Output Figure 8.14 Table cell colors. file:///G|/1/0672328860/ch08lev1sec4.html (2 von 4) [19.12.2006 13:49:02] Trang 2Table and Cell Color and ... borders and places the dark color on the right and bottom sides of the table border ● bordercolorlight sets the light component of 3D-look borders and places the light color on the left and top

Ngày tải lên: 07/07/2014, 09:20

... both Netscape and Internet Explorer You'll make the rules between cells appear solid by using a cellspacing setting of 0, and increase the white space between the cell contents and the borders ... everything you've learned here: tables that use colors, headings, normal cells, alignments, and column and row spans This is a very complex table, so we'll go step-by-step, row by row, to build ... table elements that were introduced in HTML 4.01 There are many improvements in the way that you define table columns and rows, which I'll cover in the following sections Grouping and Aligning Columns

Ngày tải lên: 07/07/2014, 09:20

... <thead>, <tfoot>, and <tbody>, and between column groups as defined by <colgroup> and <col>. rows Rules appear only between rows. cols Rules appear only between columns. all ... option of turning off table borders, and this, along with other limitations in HTML, changed the way tables were used. Before style sheets were invented and implemented in most browsers, there ... file:///G|/1/0672328860/ch08lev1sec8.html [19.12.2006 13:49:06] How Tables Are Used How Tables Are Used Today, I explained the usage of tables in publishing tabular data. That was the original purpose for HTML tables. However,

Ngày tải lên: 07/07/2014, 09:20

... available for Mac users), and it’s well-equipped to handle most tasks that you’re likely to encounter as you manage Build Your Own Website The Right Way Using HTML & CSS1 2 For Manda, my “better ... supports web standards (a topic we ll cover very soon). For Windows users, Opera’s web browser 2 offers excellent standards support and a unique set of features; it also has a very loyal following and, ... will be CSS2 (or CSS2 .1, a minor update). Don’t worry, you won’t need to know the version numbers—there’s no test at the end! Web Standards Web Standards advocate best practices for building websites....

Ngày tải lên: 09/01/2014, 09:11

... face of the monitor and the Hands of Tim were moving over the face of the keyboard. And Tim said, Let there be links; and there were links. And Tim saw that the links were good; and Tim separated ... of HTML lists. NOTE Remember that different web browsers can display web con- tent quite differently. The HTML standard doesn’t specify exactly how web browsers should for- mat lists, so users ... First Connection and Initial Local Directory on First Connection until you are used to using the client and have established a workflow. www.it-ebooks.info ptg 38 HOUR 3: Understanding HTML and XHTML Connections sively...

Ngày tải lên: 31/03/2014, 16:50

... browser will be receiving HTML and CSS from the web server that hosts the site. The web browser interprets the HTML and CSS code to create the page that you see. Most web pages also include ... contact the web server that hosts the website you requested. A web server is a computer that is constantly connected to the web, and is set up especially to send web pages to users. The web server ... often make use of more complex technologies on the web server, but these technologies are actually used to produce HTML and CSS that is then sent to the browser. So, if your site uses these...

Ngày tải lên: 31/03/2014, 16:51

... Storyboarding Your Website Summary Workshop Lesson 3. Introducing HTML and XHTML What HTML IsAnd What It Isn't The Current Standard: XHTML 1.0 What HTML Files Look ... Collections of HTML and Web Development Information Forms and Imagemaps HTML Editors and Converters HTML Validators, Link Checkers, and Simple Spiders Java, JavaScript, and Embedded ... Sound, Video, and More Understanding How to Present Sound and Video The Old Standby: Linking Embedding Sound and Video Sound and Video File Types Of Plug-Ins and Players ...

Ngày tải lên: 07/07/2014, 09:20

... sites. Figure 2.1. Websites and pages. Each website is stored on a web server. Throughout the first week or so of this book, you'll learn how to develop wellthought out and well-designed websites. ... which used different commands. Although all these choices made for a great market for How to Use the Internet books, they weren't very easy to use. Web browsers changed that. Although the Web ... servers and how they interact to deliver web pages. Third, you learned about what a URL is and why it's important to web browsing and publishing. file:///G|/1/0672328860/ch01lev1sec5.html...

Ngày tải lên: 07/07/2014, 09:20