/* Только пары обложек, созданные модулем курсов. */
html:not([data-sr-theme='dark']) img.sr-course-image-dark {
    display: none;
}
html[data-sr-theme='dark'] img.sr-course-image-light {
    display: none;
}
html[data-sr-theme='dark'] img.sr-course-image-dark {
    display: block;
    background: transparent;
}
html[data-sr-theme='dark'] .course-detail-cover {
    background: transparent;
}