:root {
  --color-grey-light: #efefef;
  --color-grey-lighter: #f5f5f5;
  --color-fontsec: #5b5861;
  --course-bg-color: var(--color-grey-lighter);
  --course-expanded-bg-color: var(--color-grey-light);
}

.scrolltable {
  box-shadow: none!important;
}

.course-header::after,
.course-header::before {
  content: '';
  position: absolute;
  right: 10px;
  top: 20px;
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-bottom: 8px solid rgba(255, 255, 255, 0.4);
}

.course-header::before {
  /* magic numbers to move arrow back in the right position after flipping it.
  this allows us to use the same border for the up and the down arrow */
  transform: translateY(150%) scale(1, -1);
  transform-origin: top;
}

.course-header::after {
  transform: translateY(-150%);
}

.course-header:hover::before,
.course-header:hover::after {
  border-bottom-color: rgba(255, 255, 255, 0.7);
}

.sorted-asc::before,
.sorted-desc::after {
  border-bottom-color: white !important;
}