ck-app {
  background-color: #ffd441;
}

#poster {
  margin: 1.5em 0;
}

#poster img {
  display: block;
  margin: 3em auto;
  width: 547px;
  height: 800px;
}

#video {
  margin: 3em auto;
  width: 547px;
  height: 328px;
  border: 1px solid #ffc500;
  background-color: #ffc500;
  display: flex;
  align-items: center;
  justify-content: center;
}