body {
  font-family: "Poppins", sans-serif;
  background: linear-gradient(135deg, #1db954, #191414);
  color: white;
  text-align: center;
  margin: 0;
  padding: 0;
}

.container {
  margin-top: 15vh;
}

button {
  background-color: #1db954;
  border: none;
  color: white;
  padding: 14px 28px;
  font-size: 18px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s;
}

button:hover {
  background-color: #17a647;
}

video {
  margin-top: 20px;
  width: 320px;
  border-radius: 10px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}