.screenshot {
    animation:translate1 4s linear;
    animation-iteration-count: infinite;
  max-width: 20rem;
  position: relative;
}
.voice-dialog {
    animation:translate1 4s linear;
    animation-iteration-count: infinite;
    animation-delay: 2s;
  max-width: 15rem;
  position: relative;
  z-index: 5;
  left: -12rem;
}

.header-img{
  animation: translate1 3s linear;
  animation-iteration-count: infinite;
  width:40rem;
}

@keyframes translate1 {
  /* 0% {
    transform: translateY(0);
  } */
  50% {
    transform: translateY(20px);
  }
  100% {
    transform: translateY(0px);
  }
}