.topbutton {
width:100px;
border:2px solid #ccc;
background:#bbbbbb;
text-align:center;
padding:10px;
position:fixed;
bottom:50px;
right:50px;
cursor:pointer;
color:#333;
font-family:verdana;
font-size:12px;
border-radius: 5px;
-moz-border-radius: 5px;
-webkit-border-radius: 5px;
-khtml-border-radius: 5px;
}