.color-block {
  background:#666666;
  width:90%;
  padding:5% 5% 5% 5%;
  color:#fff;
}

.color-block a {
  color:#fff;
}

.white-block {
  background:#fff;
  width:90%;
  padding:5% 5% 5% 5%;
  color:#000000;
}

.white-block a {
  color:#000000;
}