.banner-container {
  position: relative;
  overflow: hidden;
  width: 100%;
  max-height: auto;
}

.banner-wrapper {
  display: flex;
  transition: transform 0.5s ease-in-out;
}

.banner-image {
  min-width: 100%;
}

.banner-image img {
  width: 100%;
  display: block;
}

/*btn*/
.banner-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.5);
  color: #fff;
  border: none;
  padding: 10px 15px;
  cursor: pointer;
  font-size: 18px;
  z-index: 10;
}

.banner-btn.prev {
  left: 10px;
}

.banner-btn.next {
  right: 10px;
}