.black-ribbon {
  position: fixed;
  z-index: 9999;
  width: 70px;
}

@media only all and (min-width: 768px) {
  .black-ribbon {
    width: auto;
  }
}

.stick-left {
  left: 0;
}

.stick-right {
  right: 0;
}

.stick-top {
  top: 0;
}

.stick-bottom {
  bottom: 0;
}

.stick-front {
  left: 0;
}