.fixed-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: 1;
}

.video-container {
    position: relative;
    z-index: 20;
}

.video-container::before {
    content: '';
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 5;
    background-color: rgba(0, 0, 0, 0.4);
}

.video-fit {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 2;
    margin: auto;
    width: 100%;
}

.cssall .video-fit {
    height: 100%;
    object-fit: cover;
}

.cssall .fit-contain {
    height: 100%;
    width: 100%;
    object-fit: contain;
}

.mask {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.section {
    position: relative;
}

.main {
    background-color: transparent;
}

.section_no-shadow {
    box-shadow: none;
}

.subjects {
    background-color: #fff;
}

.part {
    background-color: #fff;
}

.subject__inner {
    position: relative;
    z-index: 9;
}

.fixed-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #fff center center no-repeat;
    background-attachment: fixed;
    background-size: cover;
}

.cssall .fixed-bg {
    background: none;
    clip: rect(auto, auto, auto, auto);
}

.cssall .fixed-bg::before {
    content: '';
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent center center no-repeat;
    background-size: cover;
}


.main {
    background-color: #000;
}

.video-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.5;
    display: none;
}

.video-placeholder img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover;
}

.ya-share2__container_size_m .ya-share2__icon {
    height: 44px !important;
    width: 44px !important;
}

@media screen and (max-width:1200px) {
    .fixed-bg.hidden-below-desktop {
        display: none;
    }

    .part__info,
    .part__info_normal-padding {
        padding-top: 120px;
        padding-bottom: 120px;
    }

    .audio-button-fixed {
        top: 20px;
        right: 20px;
    }
}

@media screen and (max-width:768px) {
    .video-container {
        display: none;
    }

    .video-placeholder {
        display: block;
    }

    .part__info,
    .part__info_normal-padding {
        padding-top: 40px;
        padding-bottom: 40px;
    }

}