Why css3 is important

And cascading is a good thing. Cascading makes it easy for you to go in later and change the paragraph color for one page or section. Nowadays, there are more advanced CSS extension languages that offer even more workflow efficiency — i. But before jumping into those, it is important to understand how CSS works and its syntax i. CSS is made up of selectors , properties , and values. As you might guess, this would change the font family to Verdana, the font size to 20px, and the font color blue.

In addition to the makeup of the CSS language itself, many designers and developers have the need for CSS features that make working with it even simpler. They are great for rapid prototyping, but also allow customization. And I absolutely love Bootstrap. Seriously — I use Bootstrap on everything I build from WordPress sites to static sites and now, most recently, web apps!

With CSS3 has come animation. In the past, to animate something small on your site, you would have had to rely on JavaScript. Now with CSS3, adding a little animation effect is simple. Using CSS is also great for mobile thanks to media queries.

To allow your website to be visually appealing on multiple screens, CSS3 has this nifty feature called media queries. Media queries allow you to format the presentation to different screen sizes, like tablet, mobile, and desktop, without having to change the content itself. Learn more about media queries here. So, why CSS for your coding journey? And if you want to learn CSS, how should you go about it? CSS is perfect for anyone wanting to build their own site e.

In fact, if you use the! Try it Yourself ». In the example above. The only way to override an! This makes the CSS code confusing and the debugging will be hard, especially if you have a large style sheet! Here we have created a simple example. It is not very clear, when you look at the CSS source code, which color is considered most important:. Tip: It is good to know about the! However, do not use it unless you absolutely have to. One way to use! Once you know CSS really well, you can sell these services to other websites.

And if you're looking to become a freelance web designer, you won't get far if you don't know CSS. Many older websites that were built without CSS prove difficult to redesign. But once a site is built with CSS hooks, it can be redesigned very quickly. Changing things like the colors and backgrounds refresh how a site looks with very little effort. In fact, many sites now put up special versions of their sites for special occasions and they can do this because it only takes a few hours to create an alternate stylesheet for the occasion.

CSS supports sites that look very different from page to page, without a lot of extensive coding. For example, many sites now perform slight color variations on the different sections of the site. The only thing that changes is the content and the CSS. Actively scan device characteristics for identification. Use precise geolocation data. Select personalised content. Create a personalised content profile. Measure ad performance.