:root {
  --yellow: #f39c12;
  --red: #ff7675;
  --blue: #74b9ff;
  --green: #55efc4;
}

* {
  font-family: sans-serif;
}

body {
  background: #ccc;
}

.hide {
  display: none;
}

.dots {
  position: absolute;
  left: 85%;

  background: #f1f1f1;
  padding: 1rem 2rem;
  border-radius: 10px;
}

.dot {
  height: 25px;
  width: 25px;
  background-color: #bbb;
  border-radius: 50%;
  display: inline-block;
  cursor: pointer;
}

#yellow {
  background: var(--yellow);
}

#red {
  background: var(--red);
}

#blue {
  background: var(--blue);
}

#green {
  background: var(--green);
}

.words {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);

  background: #ecf0f1;
  color: #34495e;
  padding: 1rem 2rem;

  border-radius: 10px;
}

.words h1 {
  font-size: 2.5em;
  font-weight: 700;
  margin-top: 0.2em;
}