CSS PREprocessors

[...] The @content directive is a way to pass a block of styles to a mixin, this is useful in cases when you don't want [...]

[...] useful when you want a part of your code to depend on something else. This gives maximum flexibility to write the type of logic that meets your needs. Conditionals inside declarations [...]

[...] incredibly useful when you want a part of your code to depend on something else. This gives maximum flexibility to write the type of logic that meets your needs. Image size If you need the exact [...]

[...] We will put the columns class name and their number in variables and utilize them through variable interpolation. You will notice that Less offers two ways to write a loop, the first way is standard [...]

You can interpolate a variable anywhere - in the property, value, and even the selector. Selectors interpolation If you have a often-occuring select [...]

[...] Placeholder Selectors are like classes, that will not be outputted to the generated CSS, but are easy to reuse [...]

[...] -loaded (see the previous section) and this may lead to confusion. Scoped variables All preprocessors support scoped variables - they work only within the context they are defined in, and can be [...]

[...] So you've discovered that preprocessors support nesting stuff, you use it here and there and after a while you want to be able to do more [...]

[...] , as its variables are lazy-loaded (see the previous section) and this may lead to confusion. Scoped variables All preprocessors support scoped variables - they work only within the context they are [...]

[...] If/else conditions are incredibly useful when you want a part of your code to depend on something else. This [...]

[...] If/else conditions are incredibly useful when you want a part of your code to depend on something else. This [...]

[...] number of parameters If you want to have a mixin with a varying number of parameters, all CSS preprocessors allow you output all arguments like so: [...]

[...] a simple mixin, as you can see, the syntax is rather similar between the preprocessors. Mixin parameters and parameter defaults Mixins can receive one or multiple parameters. You can even set [...]

[...] , and Knyle Style Sheets. Types of comments Comments appearing in the compiled CSS? Less Sass Stylus expanded, nested compact compressed expanded compressed Single-line comments // foo No No No [...]