:root {
  --navy-blue: rgb(0, 102, 204);
}

body {
  background-color: black;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.title {
  color: gold;
  font-size: 32px;
}

#size-btn {
  margin-bottom: 30px;
  color: var(--navy-blue);
  font-weight: bold;
  font-size: 20px;
  background-color: gold;
  padding: 10px 20px;
  cursor: pointer;
  border: 2px solid transparent;
  border-radius: 10px;

  &:hover {
    color: gold;
    background-color: var(--navy-blue);
    border-color: gold;
  }
}

#container {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  border: 3px solid gold;
  border-radius: 5px;
}

.square {
  background-color: white;
}