body {
    background-color:#333;    
    margin: 0; /* to avoid margins */
    text-align: center; /* to correct the centering IE bug*/
}
     
/* -- Code for vertical centering ----- */
* {
    margin: 0;
    padding: 0;
}

/* macs won't see this! \*/
html, body { 
    height:100%;
    width:100%;
}
/* END mac */

#horizon {
    height:100%;
    width:100%;
    display:table;
    vertical-align:middle;
}

#content {
    display:table-cell;
    vertical-align:middle;
}

#flashcontent {
    background-color:#FFFFFF;
    text-align: center;
    margin-left:auto;
    margin-right:auto;
    border:2px solid #FFFFFF;
    width:900px;
}