html, body {
  height: 100%;
}

.container {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.crest {
  display: flex;
  flex-wrap: wrap;
  width: 400px;
  height: 400px;
  transform: rotate(-45deg);
}

.cell {
  width: 200px;
  height: 200px;
}

.contents {
  width: 100%;
  height: 100%;
  transform: rotate(45deg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.name {
  font-family: sans-serif;
  font-size: 2rem;
  font-weight: bold;
  color: white;
}

#phlegmat {
  background-color: yellow;
}

#sangvin {
  background-color: red;
}

#coleric {
  background-color: teal;
}

#melang {
  background-color: black;
}