Padding around your text and image elements will help your email to be laid out cleanly for easy reading.
Padding can be applied at the component level (images, text, headings etc) as well as at the row / column level.
Row / Column Padding
To edit padding at the row / column level, click to the right of content to make a particular row active, and adjust the row padding as desired:
Elements Padding
To control the padding around an individual element, select that element to view the element properties in the right hand panel, and scroll down to padding so that you can again set the appropriate padding for your element.
Many of the elements will by default have the same padding around each side:
Click to turn on the More options, to edit individual side measurements:
Spacer
The Spacer component can be used to force a specific amount of space to be added within your campaign.
With the Spacer, you can only specify its height. The spacer will fit the full width of the column or row that it was inserted into.