# Scss

A superset of css that compiles to css

* importing
* Variables with $ 
* Groups/modularity

Can use node-sass to compile withs css

```css
@import url('https://fonts.googleapis.com/css?family=Poppins:300,400,600&display=swap');
$black: #2E2E2E;
$primary: #E95D5D;

$body-font: calc(2.1vh);
$input-font: calc(2.1vh);

.button-container{
    margin-top: 2em;
    text-align: center;

  //I think equivalent to 
  //.button-container input[type="submit"] {....}
    input[type="submit"]{
        text-align: center;
        background-color: $primary;
        font-size: $input-font;
  }

  //equivalent to button-container:hover
  &:hover { 
        transform: scale(1.01, 1.01);
  }

  //can place media queries inside too
  @media screen and (max-width: 768px) {
    margin-top: $space;
    padding-left: $mobile-padding;
    padding-right: $mobile-padding;
  }
}
```

### Importing

Partials have leading underscore and can be used with

```css
@import 'spacing.scss'
```

\_spacing.scss

```css
$spacing: 1em;
```

## Extra

To use variables in calc

```css
height: calc(100% - #{$body_padding})
```

### Math

```css
article[role="main"] {
  float: left;
  width: 600px / 960px * 100%;
}

aside[role="complementary"] {
  float: right;
  width: 300px / 960px * 100%;
}
```

## Installation

```bash
yarn add node-sass
```

In create react app, just install and it will start working on import

Can also just use node-sass

```javascript
{
    "build:css": "node-sass --omit-source-map-url src/css/style.scss src/css/style.css",
    "watch:css": "npm run build:css -- --watch",
}
```


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