CSS margin-top margin-top : auto : See the Pen <a href='http://codepen.io/w3tr/pen/EyrQoG/'>CSS margin-top1</a> by W3TR (<a href='http://codepen.io/w3tr'>@w3tr</a>) on <a href='http://codepen.io'>CodePen</a>.<br /> length : See the Pen <a href='http://codepen.io/w3tr/pen/bZkLLW/'>CSS margin-top2</a> by W3TR (<a href='http://codepen.io/w3tr'>@w3tr</a>) on <a href='http://codepen.io'>CodePen</a>.<br /> See the Pen <a href='http://codepen.io/w3tr/pen/rLRJJv/'>CSS margin-top3</a> by W3TR (<a href='http://codepen.io/w3tr'>@w3tr</a>) on <a href='http://codepen.io'>CodePen</a>.<br />