body {
  background-color: #1b1b1b;
  color: white;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  padding: 20px;
}

button {
  background-color: #2ea44f;
  border: 1px solid rgba(27, 31, 35, 0.15);
  border-radius: 6px;
  color: #fff;
  cursor: pointer;
  font-weight: 600;
  padding: 6px 16px;
}

ul {
  list-style-type: none;
}