#mainContainer {
  position: relative;
  width: 640px;
  height: 360px;
}

#content,
#adContainer {
  position: absolute;
  top: 0px;
  left: 0px;
  width: 640px;
  height: 360px;
}

#contentElement {
  width: 640px;
  height: 360px;
  overflow: hidden;
}

#playButton {
  width: 100px;
  height: 36px;
  margin-top: 0.5rem;
  background: var(--button-navy, rgba(2, 10, 64, 1));
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

#playButton:hover {
  background: var(--button-navy-hover, rgba(2, 10, 64, 0.9));
}