body {
	background-color: #000000;
        margin-bottom: 0px;
        margin-top: 0px;
        margin-right: 0px;
        margin-left: 0px;

}
.topBackground{

    background-image: url(../images/big_city.jpg);
    background-repeat: no-repeat;
    margin-bottom: 0px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    height: 413px;
    background-attachment: fixed;
    background-position: top center;
    z-index : -1;
    position: fixed;
    top: 0px;
    right: 0px;

}