* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-size: 16px;
}
.wrapper {
  width: 1024px;
  margin: 20px auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
}
.slider {
  width: 800px;
  height: 400px;
  margin: 10px 0;
}
.slider__container {
  width: 100%;
  height: 100%;
}
.slider__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.slider__controls {
  text-align: center;
}
.slider__dots {
  padding: 10px 0;
}
.slider__dot {
  cursor: pointer;
  width: 15px;
  height: 15px;
  margin: 0 5px;
  background-color: rgb(246, 112, 112);
  border-radius: 50%;
  display: inline-block;
}
.slider__dot.active,
.slider__dot:hover {
  background-color: rgb(237, 12, 12);
}
.slider__nav {
  cursor: pointer;
  font-size: 24px;
  padding: 0 10px;
  margin: 0 2px;
}
.slider__nav:hover {
  background-color: rgb(246, 112, 112);
}

/* animation HIDE */
.hide {
  animation-name: hide;
  animation-duration: 1.3s;
}
@keyframes hide {
  from {
    opacity: 0.3;
  }
  to {
    opacity: 1;
  }
}