To add this Block, click on the Add New Block button, and navigate to Tabbed Block.
Once you add it, click on the block to adjust it's settings, which are the following:
- Block Settings
- Tab Settings
- Tab Content
Under Block Settings, you can adjust things like Background, Content, and Font Color.
Under Tab Settings, background and font colors can be set, and as well for the active tabs.
Tab Content - This is the place where you fill your tab with content. Give your Tab a name, and add the rest of the Content in the Text Editor.
Another thing you can set is the number of columns. Below you can see a visual representation of two columns.