I have a three columns grid gallery (Images have the same width but different height).
When the page loads for the first time images overlap each other, but when I refresh the page they work fine and have the right position. (I thought about a cache issue, it could be? and how could I fix it?)
As I know, we have already answered you via internal support. Mentioned issue doesn’t exist at this moment.
If you still experiencing this problem, please specify what browser do you use and provide some clarification screenshots.