.reloj{
    font-size: 140%;
    font-family: 'Orbitron', sans-serif;
    color: #363431;
    display: inline-block;
    #float: left;
    #margin-top: 50%;
}
.cronometro{
  background-color: lightgreen;
  text-align: center;
  border: 3px solid green;
}