Using the Style Editor popup, you can change the spacing of, rows, columns and text as needed.
What is Margin and Padding
Margin in the spacing OUTSIDE of an element, Padding is INSIDE the element.
In our example above of a black outlined content box. It has margins set on the bottom (Orange) and Padding inside left and right (blue) preventing the text from touching the edges.
Viewing the current margin and padding sizes via the Style Editor
Changing the current margin and padding sizes via the Style Editor
Adjusting margin and padding on mobile
To learn about changing margin and padding using the Mobile Styling panel - see Mobile Formatting
Adjusting margin and padding using Margin / Padding Mode (CTRL + ALT + N)
To make quick adjustments to snippet block content you can look to use the Margin / Padding Mode available via the Properties Inspector or via keyboard shortcut.