/* =========================================
 * ОТКРЫТАЯ СТРАНИЦА УРОКА
 * ========================================= */

/* 1. Фон страницы */

body:has(
    .demo-hh .page-header h1 > a[href*="/teach/control/stream/view/id/935670322"]
) {
    background-image: url(https://fs.getcourse.ru/fileservice/file/download/a/846094/sc/135/h/f7b800c3946428bc03ca05e573eda073.jpg);
    background-repeat: no-repeat;
    background-position: top right;
    background-size: cover;
    background-color: #111;
}

/* 2. Center block */

/* header-block */
.demo-hh:has(
    .page-header > h1 > a[href*="/teach/control/stream/view/id/935670322"]
)
.lesson-header-block {
    border-radius: 15px !important;
    background-color: #1F1F1F !important;
    padding: 27px 36px !important;
    position: relative !important;
    margin-bottom: 20px !important;
    color: #FFFFFF !important;
}

.demo-hh:has(
    .page-header > h1 > a[href*="/teach/control/stream/view/id/935670322"]
)
.lesson-header-block td.text-center {
    display: none !important;
}