Exercises
1. Add another button to the Viewer. Change the text, trying different configurations to see how they fit in the Viewer.
2. Upload a different image. Download one from the Web or upload an image on your computer. Try different configurations for size in relation to the rest of the app. Decide on the optimal size for images in the context of the rest of the content.
3. Change the text and color scheme in the label. Try labels in different locations of the app. Pay attention to how the Designer works in terms of the placement of components and how you can customize the components.
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