body {
    background-color: #cccccc;
    color: #000;
    font-size: 100%;
    font-family: Verdana, Helvetica, sans-serif;
}

#main a {
    text-decoration: none;
    color: #0000cc;
}

#main a:hover {
    color: #cc0000;
    background-color: #eef0ee;
}

#main {
    background-color: #fff;
    margin-left: auto;
    margin-right: auto;
    line-height: 125%;
    width: 75%;
    padding: 15px;
}

#footer {
    margin: 10px;
}

.center {
    text-align: center;
}

.hidden {
    display: none;
}

.w3cimg {
    border: 0;
    width: 88px;
    height: 31px;
}

#graph { 
    background-color: #fff;
    margin-left: auto;
    margin-right: auto;
    width: 1800px;
    height: 1000px;
}

.beta {
    font-size: 50%;
    color: red;
    vertical-align: top;
}