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

body {
  height: 100vh;
  background-color: #1E1E2F;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Breathing feather */
#feather {
  width: 602px;
  height: 430px;
  animation: breathe 7s ease-in-out infinite;
}

@keyframes breathe {
  0% {
    transform: translateY(-50px) rotate(1deg)
  }
  50% {
    transform: translateY(50px) rotate(-1deg)
  }
  100% {
     transform: translateY(-50px) rotate(1deg)
  }
}