Sass is a CSS processor. A CSS preprocessor is a tool that allows us to automatically generate style sheets, adding features that do not have CSS, and that is typical of programming languages, such as variables, functions, nested selectors, inheritance, etc.
These characteristics of the processors also allow us to make the generated CSS that more comfortable to maintain and more reusable.
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Using a tool like Sass provides several advantages, such as the following:
Like everything, Sass has some disadvantages, which are extensible to any other preprocessor:
The task of learning Sass is in two main blocks. First, learn how to work with [Sass] code and know its special syntax. The second task would be to apply [Sass] in your workflow so that you can use the preprocessor easily and don’t waste time on the CSS compilation process. We will look at the two parts in this first article of the [Sass] Handbook, beginning by examining its syntax.
It is not easy to explain the Sass syntax in a few lines. For that, we have the complete manual, but we want to start by giving some examples so you can see how it is.
This syntax is a little different from the standard CSS syntax. It doesn’t differ much. For example, it prevents you from putting semicolons at the end of property values. Also, the keys are not used and instead are made indented.
It is a syntax quite similar to the syntax of CSS itself. The CSS code is valid SCSS code. We could say that SCSS is a CSS code with some extra things.
In practice, although writing with Sass syntax might be faster, it is less recommended, because it takes you further away from the CSS language itself. Not only does it force you to learn more, but your code will be less like standard CSS, and therefore it is normal for you as a developer to feel less “at home” using Sass syntax. On the other hand, when you use SCSS, you have the advantage that your lifelong CSS code will be valid for the preprocessor, being able to reuse more your knowledge and possible style codes that you have been working with on projects.
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