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

.second-span-style {
  background-color: rebeccapurple;
  color: white;
}

.first-block {
  background-color: rgba(121, 71, 15, 0.74);
  color: white;
  width: 500px;
}

.second-block {
  background-color: rgb(218, 104, 218);
  width: 300px;
}

.squart {
  width: 100px;
  height: 100px;
  background-color: red;
}