body {
    position: relative;
    background-color: DarkSlateBlue;
    color: white;
    font-family: Arial;
    font-size: 400%;
}

.center {
  position: absolute;
  top: 50%;
  width: 100%;
  text-align: center;
}

.bottom {
    background-color: black;
    position: fixed;
    width: 100%;
    bottom: 0;
    right: 0px;
    font-size: 30px;
    text-align: right;
    padding: 10px;
}