function pyGetCSSCompletions(dialect) {
	dialect = dialect || pyGetSyntax();

	if (!_completions[dialect]) {
		var all = resources.getAllSnippets(dialect);
		_completions[dialect] = Object.keys(all).map(function(k) {
			var v = all[k];
			var snippetValue = typeof v.parsedValue == 'object' 
				? v.parsedValue.data
				: v.value;
			var snippet = cssResolver.transformSnippet(snippetValue, false, dialect);
			return {
				k: v.nk,
				label: snippet.replace(/\:\s*\$\{0\}\s*;?$/, ''),
				v: cssResolver.expandToSnippet(v.nk, dialect)
			};
		});
	}

	return _completions[dialect];
}
Get all available CSS completions. This method is optimized for CSS
only since it should contain snippets only so it's not required
to do extra parsing