7 min to read
CSS has been the choice of developers when it comes to web development for the last few years. However, ever since the development of SASS, its use has reduced drastically. With SCSS being an improved version of SASS, it is more commonly used these days.
But what does it have that makes it different from CSS? If CSS was fulfilling the requirement of developers, why did we need SCSS? Read more to find out the reason behind this.
But before doing the comparison, let us have an overview of CSS and SCSS.
CSS is a styling language that is used by developers for web page development. It is used to style web pages and make them attractive. It is one of the three fundamental parts of Web development, the other two being JavaScript and HTML.
CSS is designed to enable the separation of presentation and content including layout, colours, and fonts. This separation can improve content accessibility, provide more flexibility, and control in the specification of presentation characteristics, enable multiple web pages to share formatting by specifying the relevant CSS in a separate .css file and reduce complexity and repetition in the structural context.
Every item or element on a web page is part of a document written in a markup language. In most cases, HTML(Hypertext Markup Language) is used, but there are other languages in use such as XML and XHTML.
The syntax of CSS is pretty simple and contains a lot of English keywords for various style properties. It includes selectors, properties, values, declarations, declaration blocks, rulesets, at-rules, and statements.
To explain its syntax, let us take the help of an example given below:
h2 {
color: blue;
font-size: 3em;
text-decoration: underline;
}
In this example, h2 is the selector. The selector is followed by a declaration block that includes three declarations. Each declaration is separated from the next by a semicolon. The tabs and line breaks are optional but used by most developers to make the CSS code more human-readable.
By using the h2 element, we are telling that every level 2 heading on the web page should follow the same declarations contained in the ruleset.
For the color
property, we can either use a color keyword or a color formula in Hex, RGB, or HSL format. In this case, we used the colour keyword blue. There are a few dozen colour keywords available in CSS3, but millions of colours can be accessed with the other colour models.
We applied the value of 3em to the property font size. There is a wide range of size units we could have used including pixels, percentages, and more.
At last, we added the value underline to the property text-decoration
. We could have also used overline
or line-through
as values for text-decoration
.
CSS1, CSS2, CSS2.1, CSS3
. Because of this, CSS becomes very confusing to use, especially for beginners. SCSS is a preprocessor language that is interrupted or compiled into CSS. It is a special type of SASS(Syntactically Awesome Style Sheets). Scripting of SCSS is done in Saasscript. SCSS contains all the features of CSS with a few extra added-on speciality features as well.
Using SCSS, we can add many additional functionalities to CSS such as variables, nesting, and more. All these additional functionalities can make writing CSS much easier and faster compared to writing traditional CSS.
SCSS produces a traditional CSS that the browser can understand by running the SCSS files on the server running your web app. Reading the code in SASS or SCSS is faster than reading in CSS.
For a better understanding of SCSS, let us take an example to understand its syntax.
@mixin button-base() {
@include typography(button);
@include ripple-surface;
@include ripple-radius-bounded;
display: inline-flex;
position: relative;
height: $button-height;
border: none;
vertical-align: middle;
&:hover { cursor: pointer; }
&:disabled {
color: $mdc-button-disabled-ink-color;
cursor: default;
pointer-events: none;
}
}
The only difference between SASS and SCSS with respect to their syntax is the use of indentation { }. In other words, SCSS is nothing but SASS with indentations in it.
Ans- SCSS (Sassy CSS) has a CSS-like syntax, which is much easier to read. It is an extension of CSS, whereas Sass has a more different syntax.
Ans- If you feel you are good enough in CSS, then you have to start learning Sass without any wait. Sass is a CSS extension that can save you a lot of time and can be very helpful in organizing your CSS.
Ans- If you just want to know what they are and how to do some basic things with them, you could learn that in 8 hours or less. It's possible to learn enough about all three to be productive in as short as 5 days.
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