* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.banner {
  position: relative;
  width: 100%;
  height: 100vh;
  background-size: cover;
  background-position: bottom;
}

.banner .clouds {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.banner .clouds img {
  position: absolute;
  bottom: 0;
  left:100%;
  max-width: 100%;
  animation: animate calc(9s * var(--i)) linear infinite;
}

@keyframes animate {
  0% {
    transform: translateX(-100%);
  }

  100% {
    transform: translateX(100%);
  }
}

section {
  position: relative;
  padding: 75px 100px;
}

section h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
}