#content{
width:50%;
}
#up{
position: fixed;
top: 10px;
width: 90px;
height: 20px;
font: 12px Verdana;
background: #e1e7ed;
display: none;
color: #2b587a;
text-align: center;
text-decoration: none;
padding-top:5px;
cursor:pointer;
}
p{text-align:center;}