section.bg {
  background-image: url('bg.jpeg')
}

.announcement {
  width: 100%;
  height: auto;
  padding: 1rem 0;
  color: white;
  text-align: center;
  animation: gradient 2s infinite;
  animation-direction: alternate-reverse
}

@keyframes gradient {
  from {
    background-color: black;
  }

  to {
    background-color: rgb(29, 29, 168);
  }
}