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Advanced SCSS

Or, 16 cool things you may not have known your stylesheets could do. I'd rather have kept it to a nice round number like 10, but they just kept coming. Sorry.

I've been using SCSS/SASS for most of my styling work since 2009, and I'm a huge fan of Compass (by the great @chriseppstein). It really helped many of us through the darkest cross-browser crap. Even though browsers are increasingly playing nice with CSS, another problem has become very topical: managing the complexity in stylesheets as our in-browser apps get larger and larger. SCSS is an indispensable tool for dealing with this.

This isn't an introduction to the language by a long shot; many things probably won't make sense unless you have some SCSS under your belt already. That said, if you're not yet comfy with the basics, check out the aweso

	<?php

	/**
	* This script convert a model using
	* \October\Rain\Database\Traits\SimpleTree to
	* \October\Rain\Database\Traits\NestedTree
	*
	* Before run create required fields in your DB for NestedTree
	* ( https://octobercms.com/docs/database/traits#nested-tree )
	*/

	/* ----

	css custom properties to manipulate color
	MIT - 2017 - Soft Punch
	https://gist.github.com/softpunch/

	set initial "main" color via HSL values.
	automatically calculate harmonies and variations of that color with pure css.

	harmonies are determined solely by hue.

	<?php

	/**
	* Filter an array of objects.
	*
	* You can pass in one or more properties on which to filter.
	*
	* If the key of an array is an array, then it will filtered down to that
	* level of node.
	*

	<?php

	public function boot()
	{
	// Extend all backend form usage
	Event::listen('backend.form.extendFields', function($widget) {

	// Only for the Posts controller
	if (!$widget->getController() instanceof \RainLab\Blog\Controllers\Posts)
	return;

	<?php namespace Path\To\Behaviors;

	use System\Classes\ModelBehavior;

	/**
	* Model behavior that allows to store some model's attributes
	* in json format in grouping fields in db.
	*
	* USAGE: In your model add
	*

	<div class="nav-wrap">
	<ul class="group" id="example-one">
	<li class="current_page_item"><a href="#">Home</a></li>
	<li><a href="#">Buy Tickets</a></li>
	<li><a href="#">Group Sales</a></li>
	<li><a href="#">Reviews</a></li>
	<li><a href="#">The Show</a></li>
	<li><a href="#">Videos</a></li>
	<li><a href="#">Photos</a></li>
	<li><a href="#">Magic Shop</a></li>

	<?php namespace Acme\Blog\Models;

	use Model;

	/**
	* DynamicModel Model
	*/
	class DynamicModel extends Model
	{

	( function($) {

	var TiledGallery = function() {
	this.resizeTimeout = null;

	this.populate();

	var self = this;

	$( window ).on( 'resize', function () {

	(function(){

	'use strict';

	$('[data-slider]').each(function(){

	function d(a,b){
	return parseFloat(a.attr(b) \|\| a.attr('data-'+b));
	}