Please send us a temporary admin login so that we can have a closer look. You can post the details in the Private Content section of your reply.
Please update the theme to the latest version. That should fix any issues you are currently experiencing :)
If that does not help, feel free to reply here and we will take a closer look at the issue. In that case please also add your WordPress login credentials (in the “private data” field) so we can take a look at your admin area
I’ve made some changes to the custom.css file. Will these be effected by updating the theme?