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What is CSS and what is it used for?

The buzzword “CSS” has already appeared on the occasion of JavaScript and HTML technologies, which together constitute the basic “building block” of the Internet. CSS stands for Cascading Style Sheets and as a language it has a very precise application. When writing web applications or creating websites, you can’t do without using this technology.

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CSS
In short

CSS stands for Cascading Style Sheets – the language that describes how web pages look: colours, fonts, spacing, layout and animations. HTML defines the structure and content of a page, while CSS controls its presentation – including on phones, thanks to responsive styles.

CSS at a glance

CSS characteristics:

  • A language used to define the styles and layout of web pages
  • CSS allows you to separate the content of a page from its presentation
  • Allows you to select page elements using selectors, which means you can apply different styles to different elements
  • Allows you to create responsive designs that adapt to different device screen sizes
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CSS technology

What is CSS?

Have you wondered why this text displays in such a color and not another, is written in this particular font, and the background does not overlap some of the sentences? Behind these aspects are Cascading Style Sheets, or CSS (Cascading Style Sheets) for short. Together with JavaScript and HTML, cascading style sheets are the absolute foundation of web programming. Without these languages, not only would the sites be much poorer and limited, but they would often not display properly. This is because it is difficult to imagine a situation in which the font blends with the background and images are displayed above the text. To prevent such situations from happening, the first CSS specification was published by the W3C in 1996.

What is CSS used for?

CSS is a narrowly specialized language. We will not create with it an immersive mobile game, a library for storing data or a program that acts as a CRM. On the other hand, we will do with its help all that is related to the visual aspects of the website. Importantly – CSS is supported on virtually every web browser: from Chrome, Safari and Firefox to Edge and Opera. Thanks to web standards, developers can be confident that a well-built website will look consistent across browsers and devices (desktop and mobile). Currently, CSS is a standard without which it is difficult to imagine modern programming, so the choice is obvious.

Why use CSS?

Choosing CSS is not just a necessity – this solution offers many conveniences and new capabilities that neither HTML nor other solutions have. For example, in CSS it is possible to cross out text, change the appearance of text you hovered over, or choose the “size” of bold. In addition, CSS is convenience – with a single sheet you can manage the entire suite of documents, which is especially important in online stores with hundreds or even thousands of product tabs. By separating the content of the page from its graphical form, it is possible to manage individual parameters much faster in a shorter, clearer document.

What kind of projects can you do in CSS?

See examples of the use of the CSS technology language.

Our CSS-based solutions

We use CSS in projects such as SalesWizard CRM and LegallyCRM.

Mobile application management panel

Mobile applications for efficient management require an administrative panel – the command center of the application. We build its front-end with CSS, among other technologies.

Web application

Intranet, B2B, B2C systems, company panels, recruitment sites, a number of other solutions use CSS sheets.

Online shop

When building your online store, you can use any back-end (in CodeIgniter, Laravel or Symfony) and build the front-end with CSS.

FAQ – frequently asked questions

What is the full form of CSS?

CSS stands for Cascading Style Sheets. "Cascading" refers to the rules that decide which style wins when several styles apply to the same element.

What is CSS used for?

CSS gives web pages their look: colours, typography, margins, column layouts, hover effects and animations. It also adapts pages to different screen sizes (responsive web design).

What is the difference between CSS and HTML?

HTML describes the structure and content of a page (headings, paragraphs, images, forms), while CSS describes their presentation. Keeping these layers separate means one stylesheet can change the look of an entire website.

What are Flexbox and CSS Grid?

They are two CSS layout models. Flexbox arranges elements in one dimension (a row or a column) and works well for menus and cards. CSS Grid handles two-dimensional layouts – rows and columns at the same time – such as whole page templates.

Is CSS a programming language?

Not in the classic sense. CSS is a declarative style sheet language: it describes how things should look, not an algorithm. Application logic is written in languages such as JavaScript or PHP.

What is Bootstrap?

Bootstrap is a popular CSS framework with ready-made components (grid, buttons, forms, modals). It speeds up building responsive interfaces, although unique designs are often better served by custom CSS.

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