def _get_styles(self, style_urls, asset_url_path):
        """
        Gets the content of the given list of style URLs and
        inlines assets.
        """
        styles = []
        for style_url in style_urls:
            urls_inline = STYLE_ASSET_URLS_INLINE_FORMAT.format(
                asset_url_path.rstrip('/'))
            asset_content = self._download(style_url)
            content = re.sub(urls_inline, self._match_asset, asset_content)
            styles.append(content)

        return styles
Gets the content of the given list of style URLs and
        inlines assets.