style.css

.slideshow{
    cursor: pointer;
}
.slides{
    position: relative;
}
.slide{
    display: none;
    position: relative;
    animation: fade 0.5s;
}
@keyframes fade {
    0%   { opacity: 0; }
    100% { opacity: 1; }
  }
.slide.active{
    display: block;
}
.slide img{
    width: 100%;
}
.slide div{
    position: absolute;
    bottom: 0;
    background-color: #fff;
    width: 100%;
    min-height: 44px;
    transition: min-height 0.5s;
    display: flex;
    justify-content: center;
    align-items: center;
}

.slide div p.active{
    margin-bottom: 0;
    color: #fff;
    padding: 10px;
    transition: font-size 0.5s;
}

.prev , .next{
    position: absolute;
    background-color: #0009;
    top: 50%;
    padding: 16px;
    color: #fff;
    margin-top: -32px;
}
.prev:active , .next:active{
    background-color: #000;
}
.prev{
    left: 0;
    border-radius: 0 5px 5px 0;
}
.footer {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  height:30px;
  background-color: black;
  color: white;
  text-align: center;
}
.next{
    right: 0;
    border-radius: 5px 0 0 5px;
}
.points{
    margin-top: 10px;
}
.points span{
    width: 15px;
    height: 15px;
    display: inline-block;
    background-color: #aaa;
    border-radius: 50%;
}
.points span.active{
    background-color: #555;
}