/* Background for the whole body */
body {
  margin: 0;
  font-family: sans-serif;
  background-color: #1e0033; /* cosmic purplish */
  color: white;
}

/* Header styling */
header {
  background-color: #4c5c68; /* grayish-bluish */
  padding: 20px;
  text-align: center;
}

/* Optional: make links easier to read */
a {
  color: #99ccff;
}

/* Optional: style images a little */
img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 1em auto;
}