@media (max-width: 1400px) {
  .fourthPrgph {
    display: none;
  }
}
@media (max-width: 1000px) {
  .thirdPrgph {
    display: none;
  }
}
@media (max-width: 720px) {
  .secondPrgph {
    display: none;
  }
}
@media (max-width: 650px) {
  .mainTitle {
    font-size: 160px;
  }
  .subTitle {
    font-size: 64px;
  }
  .markMessage {
    font-size: 52px;
  }
}

@media (max-width: 520px) {
  .mainTitle {
    font-size: 140px;
  }
  .subTitle {
    font-size: 45px;
  }
  .markMessage {
    font-size: 40px;
  }
  /*
  .saveDate {
    font-size: 24px;
  }*/
}

@media (max-width: 440px) {
  .mainTitle {
    font-size: 100px;
  }
  .subTitle {
    font-size: 40px;
  }
  .markMessage {
    font-size: 32px;
  }
  .saveDate {
    font-size: 18px;
  }
}

@media (max-width: 320px) {
  .mainTitle {
    font-size: 96px;
  }
  .subTitle {
    font-size: 32px;
  }
  .markMessage {
    font-size: 24px;
  }
  /*
  .saveDate {
    font-size: 24px;
  }*/
}