HTML two picture overlay issues further modifications

To overlay two pictures, just add a position:absolute to the circle and you're OK.

The above steps, many heroes have already said, I believe no longer wordy, I would like to say is an extension, the example put to the right, maybe because I have low understanding, the study of the morning only to study out, but I would like to say, one to deepen their memories, and hope that other friends do not have to go these detours, hope that the support of Thank you!

HTML two picture overlay issues further modifications