A. To customize the size of an image ...
...we need to edit CSS code.
...we click on the image and resize it.
...we need to inspect the code, edit it, and save the changes to resize it.
B. The Essential theme lets us customize CSS ...
...if we download a plugin.
...within the Site administration menu.
...inspecting the elements.
C. Course themes ...
...can't be customized.
...can be partially customized.
...are better when not customized.
D. The Essential Moodle theme ...
...allows us to edit CSS.
...does not allow us to edit CSS.
E. Online editors ...
...let us edit code and make changes in Moodle.
...let us edit code and see the changes in Moodle without making them.
...let us edit code and see the changes in order not to make mistakes in Moodle.