.advertisingSpace{
    width: 100%;
	height: 146px;
    min-width: 1200px;
}
.advertisingSpace a{
    display: block;
    width: 1200px;
	height: 146px;
    margin: 0 auto;
}
.advertisingSpace .banner{
    width: 100%;
    height: 100%;
    background: no-repeat top center;
    background-size: 100% 100%;
}