Perform the following steps to add stacks to your page:
Click on Dashboard and then on Stacks:
You should see a screen like the following, where you create a new stack. Enter a name like shown here:
After you've entered the name of your stack, click on Add and the new stack will be added to the list. Click on your stack to edit it.
Click on Add Block and you'll see the list of blocks. Select the content block or any other block you want and enter all the data the block interface is asking for.
After you've added a new block, there's a new button called Approve Changes. Click on it to confirm the change and you're done creating the stack.
Head back to the page where you want to insert the stack. Click on the area where you want to add the stack, but don't click on Add Block but rather on Add Stack:
Click on My Stack and you'll see a new dialog. Here, you can add a single block from the stack or add the whole collection of blocks. We'll simply add all of...