body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: #222;
  color: #fff;
}

.container {
  max-width: 800px;
  position: relative;
  margin: auto;
  overflow: hidden;
}

.image-slider {
  display: none;
  position: relative;
}

.image-slider img {
  width: 100%;
  height: auto;
  display: block;
}

.text {
  position: absolute;
  bottom: 12px;
  left: 24px;
  color: #fff;
  font-size: 1.2em;
  background-color: rgba(0, 0, 0, 0.5);
  padding: 6px 10px;
  border-radius: 4px;
}

.dots-container {
  text-align: center;
  margin-top: 10px;
}

.dot {
  height: 12px;
  width: 12px;
  margin: 5px;
  background-color: #bbb;
  border-radius: 50%;
  display: inline-block;
  cursor: pointer;
}

.active {
  background-color: #717171;
}

.fade {
  animation: fadeEffect 1s;
}

@keyframes fadeEffect {
  from { opacity: 0.4; }
  to { opacity: 1; }
}