body {
  font-family: Arial, Helvetica, sans-serif;
  background: #f4f5ff;
  margin: 0;
  padding: 0;
}

/* Centered container */
.container {
  max-width: 700px;
  margin: 60px auto;
  padding: 25x 30px;
  background: #e0e0e0;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0);
  text-align: center;
}

h1 {
  margin-top: 0;
}

.intro {
  color: #555555;
}

.results-box {
  margin: 20px 0;
  padding: 10px;
  border-radius: 5px;
  background: #f0f1f2;
}

#numbers {
  font-size: 1.5rem;
  letter-spacing: 2px;
  font-weight: bold;
}

/* Button styling */
#newNumbersBtn {
  padding: 10px 20px;
  font-size: 1rem;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  background: #3d5eef;
  color: #ffffff;
}

#newNumbersBtn:hover {
  opacity: 1;
}