* {
    margin: 0;
    padding: 0;
}
html{
    height:100%;
}
body {
    height:100%;
    background: #000;
}
.wholeBody {
    /*para centralizar horizontal...*/
    height:100%;
    display: table;
    margin: 0 auto;
}
.floatingCell{
    /*para centralizar vertical...*/
    _position: absolute; /* IE only */
    display: table-cell;
    vertical-align: middle;
}
.mainContent {
    display: table;    
}
a,img {
    display:block;
    border:none;
}