gridalign
align the grid in the container to the left, right or center
Alignment with gridwidth:
Left aligned
[featured_image_pro gridwidth='50%' posts_per_page='4' gridalign='left']
Center aligned
[featured_image_pro gridwidth='50%' posts_per_page='4' gridalign='center']Right aligned
[featured_image_pro gridwidth='50%' posts_per_page='4' gridalign='right']Alignment without gridwidth
Center aligned
[featured_image_pro posts_per_page='4' gridalign='center']Left aligned
[featured_image_pro posts_per_page='4' gridalign='left']Right aligned
[featured_image_pro posts_per_page='4' gridalign='right']