.ads{
    position:relative;
    display: block;
}

.ads.center > div{
    margin: 0 auto;
}

.ads.test > div{
    background-color: black;
}

.ads.top {
    padding-top: 25px;
}

.ads.bottom { 
    padding-bottom: 25px;  
}
.position-banner{
    margin-top: 10% !important;
}