Your Image Sizes for the Pretty Fabulous Theme are:
– Vertical Image – 350px wide by 438px tall
– Grid Image – 356px wide by 237 tall
– Featured Image – 720px wide by 400px tall
– If you are creating graphics, or images that you want to fit side to side in each post, the content area is 720px wide on pages with a sidebar, and 1120px wide on full width pages.
*Please keep in mind you can add your own image sizes under the Settings > Media menu of your dashboard. The above image sizes are the ones seen in the demo.