body {
  background-color: white;
  color: #6A0DAD; /* purple */
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  padding: 0;
}

header {
  background-color: #6A0DAD;
  color: white;
  padding: 1rem;
  text-align: center;
}

.challenge-entry {
  border: 2px solid #6A0DAD;
  margin: 1rem auto;
  padding: 1rem;
  width: 80%;
  border-radius: 10px;
  background-color: #f9f9f9;
}

button {
  background-color: #6A0DAD;
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 5px;
  cursor: pointer;
}

button:hover {
  background-color: #5900a6;
}