body {
  font-family: sans-serif;
  text-align: center;
  margin: 10px;
}

.subtitle {
  font-size: 16px;
  color: #555;
  margin-bottom: 15px;
}

#videos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
  margin-bottom: 20px;
}

video {
  width: 300px;
  height: 225px;
  background: black;
  border-radius: 8px;
}

button {
  padding: 14px 24px;
  font-size: 16px;
  margin: 5px;
  width: 90%;
  max-width: 250px;
  border-radius: 6px;
  border: none;
  background-color: #007bff;
  color: white;
  cursor: pointer;
}

button:disabled {
  background-color: #999;
  cursor: not-allowed;
}

button:active {
  background-color: #0056b3;
}

/* mobile styless*/
@media (min-width: 1024px) {
  video {
    width: 500px;
    height: 375px;
  }
  button {
    font-size: 18px;
    padding: 16px 30px;
    max-width: 300px;
  }

  h1 {
    font-size: 36px;
  }
}