*
{
    margin: 0px;
    padding: 0px;
    border-style: none;
}
html, body, form, .content
{
    width: 100%;
    height: 100%;
}
body
{
    background-color: #ffffff;
}
.default
{
    display: block;
    clear: both;
    margin: 0px auto;
    position: absolute;
    left: 50%;
    top: 50%;
    width: 800px;
    height: 500px;
    margin-top: -250px; /* half of the height */
    margin-left: -400px; /* half of the width */
}
.main .menu
{
    border: solid 1px red;
    width: 400px;
    position: absolute;
    bottom: 0px;
    margin: 0px auto;
    left: 50%;
    margin-left: -200px; /* half of the width */
}