Css/StyleAggregate.php
public function getAggregateStyle()
    {
        $styles = $this->rewritePaths($this->styles);
        $styles = $this->wrapMediaRules($styles);
        $content = $this->concatenateStyles($styles);
        $content = $this->moveImportsToStart($content);
        return $content;
    }
public function getAggregateStyle()
    {
        $styles = $this->rewritePaths($this->styles);
        $styles = $this->wrapMediaRules($styles);
        $content = $this->concatenateStyles($styles);
        $content = $this->moveImportsToStart($content);
        return $content;
    }
Gets an aggregated style sheet.