.medad-slider {
    position: relative;
    overflow: hidden;
    max-width: 100%;
}
.medad-slider .slide {
    display: none;
    text-align: center;
}
.medad-slider .slide img {
    width: 100%;
    height: auto;
    max-height: 500px;
    object-fit: contain;
}
.medad-slider .nav {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    transform: translateY(-50%);
}
.medad-slider .nav button {
    background: rgba(0,0,0,0.4);
    border: none;
    color: #fff;
    font-size: 24px;
    cursor: pointer;
    padding: 10px;
}