body {
  margin: 0;
  background-color: black;
  color: white;
  font-family: sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

table {
  border-collapse: collapse;
  width: 100%;
  max-width: 1000px;
}

td {
  text-align: center;
  padding: 1rem;
}

input[type="text"] {
  padding: 0.5rem;
  width: 80%;
  max-width: 400px;
  background-color: black;
  color: white;
  font-size: 1rem;
}

button {
  padding: 0.5rem 1rem;
  font-size: 1rem;
  margin-top: 0.5rem;
  background-color: black;
  color: white;
}

#message {
  margin-top: 1rem;
  color: limegreen;
}

.hint:hover::after {
  content: attr(data-hint);
  position: absolute;
  background: #444;
  color: #fff;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  white-space: nowrap;
  font-size: 0.8rem;
  margin-left: 5px;
}

.media-container {
  position: relative;
}

img, audio, video {
  display: block;
  margin: 0 auto;
  max-width: 90%;
}