daniel nasiri daniel nasiri - 1 year ago 90
Sass (Sass) Question

What is the meaning of the "@include" in .css Files?

I don't understand , what is the meaning of the @include tag in .css files.
For Example :

.wrapper {
display: flex;
width: 100%;
@include display(flex);
@include flex-direction(column);
@include align-items(center);
@include justify-content(center);
@include transition(all 2s linear);

Answer Source

@includes are a part of SCSS, it's called Mixin. Here is an example:

@mixin border-radius($radius) {
    -webkit-border-radius: $radius;
       -moz-border-radius: $radius;
        -ms-border-radius: $radius;
            border-radius: $radius;

.box { @include border-radius(10px); }

@includes are a shortcut to storing especially things like vendor prefixes. The CSS output of the above will be:

.box {
    -webkit-border-radius: 10px;
       -moz-border-radius: 10px;
        -ms-border-radius: 10px;
            border-radius: 10px;
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