There is a media aspect to the link to an external stylesheet. This property could be set to Aural for instance to make the page read by the computer. It takes a different set of skills than I use, I am quite afraid.
All CSS is custom, that is the purpose behind CSS. It allows you to control the presentation of your web pages and separate the rules that govern presentation from the content and markup. You control what rules you develop and set the rules for. CSS stands for cascading style sheets.
Valid CSS is CSS that has been run through the W3C CSS checker and passed.
CSS handles the presentation portion of displaying an HTML document on the web. That is to say that CSS makes things like color, size, shape, weight, etc. possible in HTML. To say that CSS "enhances" HTML, however, is an over simplification. CSS provides separate and different functionality than HTML does. HTML does not have the abilities inherent in CSS. Instead, the CSS code makes HTML code more palatable for a human user. Most web spiders, for instance, do not employ HTML fully, if at all.
CSS does not add banners. It can format graphics that are content defined within a webpage. Banners can also be done with JavaScript, especially if they are rotating there existence on the page, ie one replacing another without interaction or with it.
CSS
All CSS is custom, that is the purpose behind CSS. It allows you to control the presentation of your web pages and separate the rules that govern presentation from the content and markup. You control what rules you develop and set the rules for. CSS stands for cascading style sheets.
CSS rules can be removed manually by opening the CSS file. It makes the user decide what to remove.
You will need CSS for creating your page interactive. It makes a user style the page according to needs.
You can choose to use CSS when you want your web page to look good. It styles the page according to user's experience.
You just need to have an idea about it's properties. CSS provides a full range of properties, a user is able to work upon.
User-created web pages use HTML and CSS, and TNT pages (owned by Neopets) use HTML, CSS, and JavaScript.
If you've got the same CSS code on every page of your website, it makes it so that the end user only has to download that code once, instead of every time they load a new page. It also makes it easier to tweak settings, as you only have to do it once, instead of on every page the change applies to.
An extract from w3.org: "The CSS Working Group is a team of W3C Member representatives and W3C Invited Experts who are responsible for maintaining the current CSS standards...." When it comes to using CSS on the web it is the web page developer that decides whether to use CSS or not to. Unlike Javascript, CSS is not something an end user can choose to allow or not, unless they delete the CSS post-download so-to-speak using a browers plugin like Web Developer.
You will need CSS for creating your page interactive. It makes a user style the page according to needs.
The use cases of CSS are wide and varied. While it is true that CSS is commonly used to style web pages, CSS is also used to style things like the FIrefox and Thunderbird user interface, to style HTML-based emails, mobile Web Applications, and more. CSS is a powerful tool.
It depends on the type of learner you are. I personally learn a lot by example. Take a look at some CSS stylesheets and Javascripts. There are tutorials on W3Schools that are free to take. They could be of benefit to you.
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