<!--退租账单-->
<div id="bilsli" onmouseover="showBill(this)">
#bilsli{
position:absolute;
right:-300px;
top:0px;
background:#fff;
border:1px solid red;
border-radius:5px;
width:300px;
height:auto;
min-height:300px;
max-height:500px;
z-index:;
overflow:auto;
}