body {
    background-color: lightblue;
    color: red;
    font-size: 110px;
    text-align: center;
    font-family: Trebuchet MS;
}

.outer {
  display: table;
  position: absolute;
  height: 97%;
  width: 97%;
}

.middle {
  display: table-cell;
  vertical-align: middle;
}

.inner {
  margin-left: auto;
  margin-right: auto;
  width: 80%;
  /*whatever width you want*/
}