Symfony\Component\VarDumper\Dumper\HtmlDumper::setStyles PHP Method

    public function setStyles(array $styles)
    {
        $this->headerIsDumped = false;
        $this->styles = $styles + $this->styles;
    }

 private function getDumper()
 {
     if (!$this->htmlDumper && class_exists('Symfony\\Component\\VarDumper\\Cloner\\VarCloner')) {
         $this->htmlDumperOutput = new HtmlDumperOutput();
         // re-use the same var-dumper instance, so it won't re-render the global styles/scripts on each dump.
         $this->htmlDumper = new HtmlDumper($this->htmlDumperOutput);
         $styles = array('default' => 'color:#FFFFFF; line-height:normal; font:12px "Inconsolata", "Fira Mono", "Source Code Pro", Monaco, Consolas, "Lucida Console", monospace !important; word-wrap: break-word; white-space: pre-wrap; position:relative; z-index:99999; word-break: normal', 'num' => 'color:#BCD42A', 'const' => 'color: #4bb1b1;', 'str' => 'color:#BCD42A', 'note' => 'color:#ef7c61', 'ref' => 'color:#A0A0A0', 'public' => 'color:#FFFFFF', 'protected' => 'color:#FFFFFF', 'private' => 'color:#FFFFFF', 'meta' => 'color:#FFFFFF', 'key' => 'color:#BCD42A', 'index' => 'color:#ef7c61');
         $this->htmlDumper->setStyles($styles);
     }
     return $this->htmlDumper;
 }