You can configure the style of the sidebar of your website pages in Tiam. To do this you have to go to Appearance->Customize form your wordpress dashboard and then click on Tiam: Pages Settings.
Then click on Sidebar link.
Here you can configure the sidebar in single post page. There are 2 options: as blog or custom.
If you choose “as blog” the single post page take the configuration of the sidebar as defined in blog section.
If you choose custom you can define a custom sidebar (with all options) for your pages.
When you’ve done with your settings just click on publish button.