body {
  margin: 0;
  font-family: "open sans", sans-serif;
  background: #1a1a1a;
  /*background: linear-gradient(to bottom right, #000000, #bfbfbf);*/
  color: #333;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 95vh;
  padding: 1em;
}

footer {
  font-family: "open sans", sans-serif;
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  background-color: rgba(0, 0, 0, 0.44);
  color: white;
  text-align: center;
  font-size: 15px;
  padding: 3px 12px;
}

video {
  width: 100%;
  max-width: 655px;
  border-radius: 3px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 1.0);
  margin-bottom: 1rem;
}

button {
  background: #404040;
  color: white;
  padding: 14px 24px;
  font-size: 15px;
  border: none;
  border-radius: 3px;
  cursor: pointer;
  transition: background 0.3s ease;
}

button:hover {
  background: #cccccc;
  color: white;
}

/*
@media (max-width: 550px) {
  h1 {
    font-size: 1.4rem;
  }
  button {
    font-size: 15px;
    padding: 12px 20px;
  }
*/
}