Power BI | Report themes exercise | Detailed report theme

This exercise is provided to allow potential course delegates to choose the correct Wise Owl Microsoft training course, and may not be reproduced in whole or in part in any format without the prior written consent of Wise Owl.

Software ==> Power BI  (111 exercises)
Version ==> Latest update
Topic ==> Report themes  (2 exercises)
Level ==> Average difficulty
Subject ==> Power BI training
Before you can do this exercise, you'll need to download and unzip this file (if you have any problems doing this, click here for help).

You need a minimum screen resolution of about 700 pixels width to see our exercises. This is because they contain diagrams and tables which would not be viewable easily on a mobile phone or small laptop. Please use a larger tablet, notebook or desktop computer, or change your screen resolution settings.

The aim of this exercise is to create a report theme which has custom colours, and which presets all text to fontSize 14 and fontFamily Arial. First create a basic report using the above file:

Power BI Report theme

Either create your own theme from scratch or use the one in the above folder.

Add the basic report theme with the alternate colours:

Power BI Report Theme

Good, but its time now to change the font style and make the text much bigger.

Edit your JSON file, changing the settings of text and font size using the following structure:

Power BI JSON layout

Use visualStyles to add the section about changing visual settings, and visualName to specify the visual or visuals to change.  Use styleName when there are visual sub types.  Use cardName to customise features for visuals like the title. Finally, use propertyName to change an aspect of the feature like fontSize.


When in doubt use * to affect all the visuals, styles and cards within each collection. The result:

Power BI Theme

Much easier to read with the bigger font!

Optionally save this as Super Sizing Strings and close it down.

You can unzip this file to see the answers to this exercise, although please remember this is for your personal use only.
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