body {
  font-family: Arial, sans-serif;
  padding: 20px;
  background: #1a1a1a;
  color: #eee;
}

h1 {
  margin-bottom: 15px;
}

button {
  background: purple;
  color: white;
  border: none;
  padding: 10px 15px;
  margin: 5px;
  cursor: pointer;
  border-radius: 4px;
}

button:hover {
  opacity: 0.9;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 15px;
}

th, td {
  border: 1px solid #444;
  padding: 8px;
  text-align: left;
}

th {
  background: #333;
}

tr:nth-child(even) {
  background: #222;
}

td button {
  background: #555;
  padding: 5px 8px;
  border-radius: 3px;
  cursor: pointer;
  color: white;
  border: none;
}

td button:hover {
  background: #777;
}