.wpms-slider {
    max-width: 800px;
    margin: auto;
}
.wpms-main {
    position: relative;
}
.wpms-main img, .wpms-main video {
    width: 100%;
    display: block;
}
.wpms-thumbnails {
    display: flex;
    justify-content: center;
    margin-top: 10px;
}
.wpms-thumbnails img {
    width: 80px;
    height: 50px;
    object-fit: cover;
    margin: 0 5px;
    cursor: pointer;
    border: 2px solid transparent;
}
.wpms-thumbnails img.active {
    border-color: #0073aa;
}