* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: Tahoma, Arial;
}
.container {
  margin: 10px auto;
  width: 750px;
  padding: 20px;
}
@media (max-width: 768px) {
  .container {
    margin: 10px auto;
    width: 600px;
    padding: 0;
  }
}
.slider-container {
  height: 350px;
  position: relative;
  margin-bottom: 10px;
}
.slider-container img {
  position: absolute;
  opacity: 0;
  transition: opacity 1s;
  z-index: 1;
  width: 100%;
  height: 100%;
}
.slider-container img.active {
  opacity: 1;
}
.slider-container .slide-number {
  position: absolute;
  left: 10px;
  top: 10px;
  background-color: rgb(0, 0, 0, 0.6);
  color: #fff;
  padding: 5px 10px;
  font-size: 20px;
  z-index: 2;
  border-radius: 6px;
}
.slider-controls {
  overflow: hidden;
  display: flex;
  justify-content: space-between;
}
.slider-controls .prev,
.slider-controls .next {
  background-color: #009688;
  color: #fff;
  font-size: 16px;
  text-align: center;
  cursor: pointer;
  border-radius: 4px;
  padding: 5px;
  user-select: none;
  width: 20%;
  height: 32px;
}
.slider-controls .prev.disabled,
.slider-controls .next.disabled {
  background-color: rgb(0, 150, 136, 0.5);
  cursor: no-drop;
}
.slider-controls .indicators {
  width: 60%;
}
.slider-controls .indicators ul {
  list-style: none;
  margin: 0;
  text-align: center;
}
.slider-controls .indicators ul li {
  display: inline-block;
  background-color: #f6f6f6;
  color: #333;
  font-weight: bold;
  height: 28px;
  width: 28px;
  border-radius: 4px;
  margin: 0 2px;
  line-height: 28px;
  cursor: pointer;
  user-select: none;
}
.slider-controls .indicators ul li.active {
  background-color: #009688;
  color: #fff;
}