/* Make the video iframe fill the entire background */
body, html {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
}
iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1; /* Put the video behind other content */
}

/* Example of adding content over the video */
.content {
  position: relative;
  z-index: 1;
  color: white;
  text-align: center;
  padding-top: 20%;
  font-size: 2rem;
}

.button {
text-decoration: none;
background-color: transparent;
border: transparent;
}