Thanks for Contacting Styled Themes Support.
Firstly please download the latest theme package but we hope you have already downloaded it and please unzip the theme package and you can see the html snippets folder inside the theme package. We hope this will be helpful to you, if not then please let us know.
And regarding the Custom Menu now you can use your own design for it by using the custom css, we will update our theme with some design in the custom menu and we will update our theme soon. we hope you understand.