.aioc_timeline_carousel .aioc_timeline{
    height: 3px;
    background-color: #ccc;
    position: absolute;
    width: 100%;
    z-index: -1;
}
.aioc_timeline_carousel .aioc_timeline_active {
    height: 3px;
    background-color: #3498db;
    position: absolute;
    z-index: -1;
    width: 0;
    transition: width 0.3s ease;
}
.aioc_timeline_carousel .swiper-container-3d .swiper-slide-shadow-left,
.aioc_timeline_carousel .swiper-container-3d .swiper-slide-shadow-right{
    background-image: none;
}