How to edit background color of the activity card while using Edwiser RemUI card layout in a Course
Please find the CSS for editing the Card background on the Activity page.
You need to add this CSS in Edwiser RemUI settings > General setting > Custom CSS section.
body#page-course-view-remuiformat .course-content .sections #section-0 .general-section .activities-wrapper .general-section-activities .activity , body#page-course-view-remuiformat .remui-format-card.single-section-format .activity-cards.section .activity .single-card {
background-color: #0000ff29 !important;
background-color: #0000ff29 !important;
}