플로팅 하는 방법

<div class="floatdiv">
<img src="https://t3.daumcdn.net/thumb/R720x0/?" style="position:relative; left:-25px; bottom:-10px;">
</div>

 

 

.floatdiv {
  position:fixed;
  z-index:10;
	margin-top:300px;
  width:100%;
  text-align:center;
}