body {
  padding: 20px;
  background-color: #F4F4F4;
}

h2 {
  font-weight: bold;
}

img {
  max-width: 500px;
}

p {
  margin-top: 20px;
}

@-webkit-keyframes loading-animation {
  50% {
    opacity: 0.3;
  }
}
@keyframes loading-animation {
  50% {
    opacity: 0.3;
  }
}
.loading {
  animation: loading-animation 1s infinite;
}