.ad-slider {
    max-width: 320px;
    margin: 0 auto;
    border-radius: 1px;
    overflow: hidden;
    box-shadow: 0 15px 30px rgba(0,0,0,0.3);
}

.ad-slide {
    display: none;
}

.ad-slide img {
    width: 100%;
    display: block;
}