body {
  font-family: sans-serif;
  background: #0f172a;
  color: white;
  padding: 20px;
}

button {
  padding: 8px 12px;
  margin: 5px;
  cursor: pointer;
}

table {
  border-collapse: collapse;
  width: 100%;
  margin-top: 10px;
}

td, th {
  border: 1px solid #444;
  padding: 8px;
}