.message p {
  position: absolute;
  top: 55%;
  left: 50%;
  -ms-transform: translate(-50%,-50%);
  -webkit-transform: translate(-50%,-50%);
  transform: translate(-50%,-50%);
  margin:0;
  padding:0;
  color: #ffffff;/*文字は白色*/
  font-weight: bold; /*太字に*/
  font-size: 2em;/*サイズ2倍*/
  font-family :Quicksand, sans-serif;/*Google Font*/
  }