Each block is a 1:1 aspect ratio. To make sure your photos look the best they can on all devices you will want to use a high pixel count on your photos.

For example: you have a photo that is 2 blocks by 2 blocks this is still a 1:1 ratio. You could have your image be as many pixels as possible to make sure they don't look fuzzy when they are on a bigger device. The less pixels you have the more likely it will be that your image looks blurry on a larger screen.

Commonly Used Aspect Ratios

Aspect Ratio | 1:5

Aspect Ratio | 2:3

Aspect Ratio | 2:5

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