The true power of id selectors is when they are used as the foundation for descendant selectors, For example − This rule renders the content in black for only elements with id attribute set to black. This rule renders the content in black for every element with id attribute set to black in our document. All the elements having that id will be formatted according to the defined rule. You can define style rules based on the id attribute of the elements. This para will be styled by the classes center and bold. ![]() You can apply more than one class selectors to given element. This rule renders the content in black for only elements with class attribute set to black. This rule renders the content in black for every element with class attribute set to black in our document. All the elements having that class will be formatted according to the defined rule. You can define style rules based on the class attribute of the elements. As given in the following example, style rule will apply to element only when it lies inside tag. Suppose you want to apply a style rule to a particular element only when it lies inside a particular element. This rule renders the content of every element in our document in black. Rather than selecting elements of a specific type, the universal selector quite simply matches the name of any element type − Again, one more example to give a color to all level 1 headings − This is the same selector we have seen above. You can define selectors in various simple ways based on your comfort. ![]() Here table is a selector and border is a property and given value 1px solid #C00 is the value of that property. CSS - SyntaxĮxample − You can define a table border as follows − printers and aural devices, downloadable fonts, element positioning and tables. This version adds support for media-specific style sheets e.g. This version describes the CSS language as well as a simple visual formatting model for all the HTML tags.ĬSS2 became a W3C recommendation in May 1998 and builds on CSS1. CSS VersionsĬascading Style Sheets level 1 (CSS1) came out of W3C as a recommendation in December 1996. NOTE − The World Wide Web Consortium, or W3C is a group that makes recommendations about how the Internet works and how it should evolve. Independent companies and organizations create that software. These ratified specifications are called recommendations because the W3C has no control over the actual implementation of the language. When a specification has been discussed and officially ratified by the W3C members, it becomes a recommendation. The CSS Working Group creates documents called specifications. So its a good idea to start using CSS in all the HTML pages to make them compatible to future browsers.ĬSS is created and maintained through a group of people within the W3C called the CSS Working Group. ![]() Global web standards − Now HTML attributes are being deprecated and it is being recommended to use CSS. By using the same HTML document, different versions of a website can be presented for handheld devices such as PDAs and cell phones or for printing. Multiple Device Compatibility − Style sheets allow content to be optimized for more than one type of device. Make sure the aspect ratio of the image matches the SVG exported from the app.Superior styles to HTML − CSS has a much wider array of attributes than HTML, so you can give a far better look to your HTML page in comparison to HTML attributes. You can use any of these shapes as the background image of an element with CSS. To add more complex layered waves, you can use the Haikei app to randomly generate a variety of beautiful waves, blobs, and other shapes. It allows you to create a wave effect generating an SVG path and required CSS code to style it. One of the easiest ways to add waves to an element is the ShapeDriver tool. The following examples create curved and wavy backgrounds using SVG images.
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