.header-top-banner {
  position: relative;
  display: none;
}
.header-top-banner.is-visible {
  display: block;
}
.header-top-banner__close {
  position: absolute;
  top: 5px;
  right: 10px;
  background-color: rgba(0, 0, 0, 0.4);
  border: none;
  border-radius: 50%;
  color: #fff;
  cursor: pointer;
  font-size: 22px;
  line-height: 1;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: background-color 0.2s;
  z-index: 10;
}
.header-top-banner__close:hover {
  background-color: rgba(0, 0, 0, 0.7);
}
@media (max-width: 768px) {
  .header-top-banner__close {
    top: 3px;
    right: 5px;
    width: 26px;
    height: 26px;
    font-size: 18px;
  }
}