<div id="portrait-wrap"></div>
<div id="portrait-wrap2"><img src="../img/5.jpg" /></div>
#portrait-wrap {
position: relative;
top: 500px;
width: 90px;
height: 90px;
border-radius: 10px;
background: #000;
}
#portrait-wrap2 {
text-align: center;
display: none;
}
#portrait-wrap:hover + #portrait-wrap2 {
display: block;
}