.copr {
  display: flex;
  color: #fff;
}

.copr__detail {
  position: relative;
  font-size: 14px;
  line-height: 16px;
  margin-right: 10px;
  padding: 10px 15px;
  box-sizing: border-box;
  background-color: rgba(0, 0, 0, .5);
  opacity: 0;
  visibility: hidden;
  transition: opacity, visiblity, .25s ease-in-out;
}

.copr__detail:after {
  content: '';
  position: absolute;
  left: 100%;
  bottom: 5px;
  border: 7.5px solid;
  border-color: transparent transparent transparent rgba(0, 0, 0, .5);
}

.copr__detail--open {
  opacity: 1;
  visibility: visible;
}

.copr__icon {
  font-size: 24px;
  margin-top: auto;
  cursor: pointer;
}