body {
  background-color: white;
}


header {
  color: black;
  background-color: pink;
  padding: 10px;
}

.text-colors .red {
  color: red;
}

.text-colors .green {
  color: green;
}

.text-colors .blue {
  color: blue;
}

.yellow-bg {
  background-color: pink;
   color: black;
}

.pink-bg {
  background-color: yellow;
   color: black;
}

.gradient-bg {
  background: linear-gradient(to right, #ff6600, #cc33ff);
  color: black;
}