body {
  background: #1b1d20;
}

img {
  max-width: 100%;
  display: block;
}
h1 { margin-top: 150px; text-align: center; color: #fff; }
.slide {
  max-width: 500px;
  margin: 0 auto;
  display: grid;
  box-shadow: 0 4px 20px 2px rgba(0, 0, 0, 0.4);
}

.slide-items {
  position: relative;
  grid-area: 1/1;
  border-radius: 0px;
  overflow: hidden;
}

.slide-nav {
  grid-area: 1/1;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto 1fr;
}

.slide-nav button {
  -webkit-appearance: none;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  opacity: 1;
  background: transparent;
  border: none;
  color: #fff;
}

.slide-nav button i{
  font-size: 30px;

}

.slide-nav button.slide-prev{
  text-align: left;
  margin-left: 15px;
}
.slide-nav button.slide-next{
  text-align: right;
  margin-right: 15px;
}

.slide-items > * {
  position: absolute;
  top: 0px;
  opacity: 0;
  pointer-events: none;
}

.slide-items > .active {
  position: relative;
  opacity: 1;
  pointer-events: initial;
}

.slide-thumb {
  margin: 10px 15px;
  display: flex;
  grid-column: 1 / 3;
}

.slide-thumb > span {
  flex: 1;
  display: block;
  height: 3px;
  background: rgba(0, 0, 0, 0.4);
  margin: 5px;
  border-radius: 3px;
  overflow: hidden;
}

.slide-thumb > span.active::after {
  content: '';
  display: block;
  height: inherit;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 3px;
  transform: translateX(-100%);
  animation: thumb 5s forwards linear;
}

@keyframes thumb {
  to {
    transform: initial;
  }
}