Add an empty block to your page

Step1:  Click on the block after which you want to add an empty block. As soon as you click on that block, you will be provided with the vertical toolbar.

Step2: The 5th tool in this toolbar reads 'Add Block'. Click on it and an empty block is added to your page just after the block on which you worked the latest.

Learn more through video : https://s3-us-west-2.amazonaws.com/meetzippyandhqmeetuptokboxrecording/46351292/41ea5252-b56f-41c2-bfc0-c68a39298639/archive.mp4