html {
width: 100%;
height: 100%;
margin: 0px;
font-family: arial, helvetica, sans-serif;
background-color: #FFFFFF;
color: #000000;
}
body {
width: 100%;
height: 100%;
margin: 0px;
}
div.maincontent {
width: 70%;
margin-left: auto;
margin-right: auto;
}