try like this
body
{
overflow:scroll;
background: #CCCCCC;
font-size: .80em;
font-family: "Helvetica Neue" , "Lucida Grande" , "Segoe UI" , Arial, Helvetica, Verdana, sans-serif;
margin: 20px;
padding: 0px;
color: #000000;
}
and set this css class to your body tag