html – Just how to require youngster div to be inside the moms and dad div?

I have one moms and dad div and also 3 youngsters, everytime Im including youngsters I experience issues of its screen. Currently 3rd does not fit inside the moms and dad, exactly how can I resolve this trouble? This 3rd youngster div consists of just photo, nonetheless it is not located appropriately.

Moms And Dad HTML:

<< body>>.

<< div course=" control panel __ desc">

<>