An existing club running under the old “Template/Theme” model will initially see a message which explains how to preview the new Look and Feel tools, how to revert to the old template, or how applying the changes will convert the website to the new Look and Feel tools.
These instructions apply to the legacy Look & Feel tools used to manage the template of your website. If you opted to convert to the new system and use the new Template Builder and Versioning tools, see Website Look & Feel