.course {
  min-width: 230px;
  max-width: 23%;
  width: 100%;
}

.course .course-details {
  padding: 12px;
  border-radius: 15px;
  background-color: #fff;
  border: 1px solid #eff1f5;
  gap: 10px;
  transition: .3s linear;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.course .course-details-top {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.course .course-details img {
  width: 100%;
  height: 170px;
  border-radius: 20px;
}

.course .course-details-bottom {
  gap: 16px;
  display: flex;
  flex-direction: column;
}

.course .title-course {
  font-size: 20px;
  font-weight: bold;
  color: var(--dark-color);
}

.course .title-course:hover {
  color: var(--primary-color);
}

@media (max-width: 500px) {
  .course {
    max-width: 100%;
  }
}

.box-course-details {
  padding: 24px;
  background-color: #fff;
  box-shadow: 0 32px 64px 0 rgba(52, 64, 84, .08);
  max-width: 558px;
  border-radius: 25px;
  position: sticky;
  z-index: 5;
  top: 0px;
  left: 60%;
  /* right: 10%; */
  transform: translate(0%, -50%);
}

.box-course-details img {
  width: 100%;
  border-radius: 25px;
}

@media (max-width: 768px) {
  .box-course-details {
    display: none;
  }
}