P { text-align: center }
H1 { text-align: center }
H2 { text-align: center }

P.blocktext {
    font-family: "Lucida Console", "Courier New", monospace;
    margin-left: auto;
    margin-right: auto;
    width: 20em
}


.center {
  border: 5px outset red;
  background-color: lightblue;
  text-align: center;
}

.qrcode {
  background-color: white;
  text-align: center;
}

.clock {
  font-family: "Lucida Console", "Courier New", monospace;
  background-color: white;
  text-align: center;
}