Start by going to the 'Email Templates' section from the left-hand navigation.
Select the 'Email Template' you wish to edit and ensure the you're within the 'Layout' mode at the top of the screen.
Select the snippet you wish to use and drag it on to your canvas.
This will open the 'Edit row' function in the right control panel.
If you wish to edit a snippet that is already within your email, simply hover over the snippet and select the pencil icon which will also open the 'Edit row' function in the right control panel.
In the 'Column reorder' section you can use the left and right arrows to change the order of the columns.
As you click the arrows the columns will reorder.
From within the 'Spacing' section within the 'Edit row' function in the right control panel, you may define padding values to move the snippet up or down.
Watch the quick view below that illustrates the effect of padding on a snippet.
You can also adjust the 'Spacing' of an individual column by specifically selecting the column you wish to edit and increasing or decreasing the options within the 'Spacing' section.
To confirm the changes you must select 'Done' to commit the changes to the template.