Margin on child element moves parent element

Question

I have a div (parent) that contains another div (child). Parent is the first element in body with no

Answer 1

This is what worked for me

.parent {
padding-top: 1px;
margin-top: -1px;
}

.child {
margin-top:260px;
}

http://jsfiddle.net/97fzwuxh/