Definition:
Theme is used to apply new branding to you web site. It gives you easy and quick way to change the look and feel of your site in SharePoint.
Some Points:
- Themes are pre-designed collections of elements like color palette, font scheme, site layouts and background picture.
- You can apply theme to a site and preview the looks of the site before applying theme.
- To access themes, go to, Site Settings >> click on Themes (Under Web Designer Galleries).
- Theme Gallery will open. You will find Font schemes (.spfontfiles) and color palette (.spcolor files).
- Theme is created and used in the same site. It is not inherited in Subsite unless you are using publishing site. In publishing site, you can choose to inherit theme from Parent site.