To rotate or change transparency of an image please open the Styles section and expand the ‘Transformation’ panel

If you want to change some characteristic of a field, like its color or font size do the following:

1.- In the template designer click on the field you want to customize and go to the ‘Styles’ tab

2.- Change its appearance, for example here i changed the color of the label to red

That’s it! Repeat this process for each field or element you want to customize