If you are a photo blogger then Photos theme is for you. Photos is a single column blogging theme which showcase your photos in a grid format. Photos is basically an image-oriented theme with a simple and clean layout, designed to help you showcase your loved or favourite snapshots. Here I am sharing you css styling code to modify the theme so that you can give a look of your choice. You can check the demo of Photos theme by Automattic.
Download this Photos theme by Automattic.
Download Photos Child theme
You can ask question regarding any issue you are facing.