.center {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  height: 100vh;
}

.center .ill img {
  max-width: 80vw;
  max-height: 80vh;
}

.omake {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.omake img {
  padding-bottom:5vh;
  max-width: 50vw;
}