#slider-container {
  position: relative;
  overflow: hidden;
  width: 80%;
  max-width: 800px;
  margin: 50px auto;
  border: none; /* убрал рамку */
}
#slider-slides {
  display: flex;
  transition: transform 0.5s ease;
}
.slide {
  flex: 0 0 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: #222;
  padding-bottom: 30px;
}
.slide img {
  max-width: 100%;
  height: auto;
  display: block;
}
.caption {
  margin-top: 15px;
padding:8px;
  font-size: 18px;
  font-weight: 400;
  color: #fff;
}
.arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-top: 15px solid transparent;
  border-bottom: 15px solid transparent;
  opacity: 0;
  transition: opacity 0.3s;
  cursor: pointer;
  z-index: 10;
}
#prev {
  left: 10px;
  border-right: 30px solid #444; /* стрелка влево */
}
#next {
  right: 10px;
  border-left: 30px solid #444; /* стрелка вправо */
}
#slider-container:hover .arrow {
  opacity: 1;
}