.main-slider {
    --slider_btn-color: #fff;
    --slider_btn-bgcolor: rgba(180, 180, 180, .20);
    --slider_btn-color-h: #fff;
    --slider_btn-bgcolor-h: rgba(127, 91, 186, .20);
}

.main-slider .swiper-slide .main-slider__btn {
    display: none
}

.main-slider .swiper-slide.swiper-slide-active .main-slider__btn {
    display: inherit;
}

.main-slider .swiper-slide video {
    margin: auto;
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    max-height: 546px;
}

.img-fluid {
    max-width: 100%;
    height: auto;
}

.main-slider__btn a.btn-opacity {
    color: var(--slider_btn-color);
    background-color: var(--slider_btn-bgcolor);
}

.main-slider__btn a.btn-opacity:hover {
    color: var(--slider_btn-color-h);
    background-color: var(--slider_btn-bgcolor-h);
}