#float
{
	position: absolute;
	float:left;
	width: 100%;
	height: 100%;	
	left:0px;
	right:0px;
	display: block;
	background-image: url('./tran-bg.png');
	background-repeat:repeat;
	z-index:2;
}
#float-box
{
	visibility:hidden;
	display:block;
	background-color: black;
	border: solid 3px #3072a2;
	position:absolute;
	width: 600px;
	height:auto;
	margin-left:-300px;
	left: 50%;
}

img.photobin-show
{
	display:block;
	margin-left:auto;
	margin-right:auto;
	border:none;
}


<div id='float'>
     <div id='float-box'>
          <img src='' />
     </div>
</div>