html {
  height: 100%;
  background: radial-gradient(#000, #555);
}

.digital-clock {
  margin-right: 14px;
  margin-top: -7px;
  top: 5px;
  left: 26px;
  bottom: 0;
  right: 0;
  width: 104px;
  height: 55px;
  color: #000000;
  /* border: 2px solid #999; */
  border-radius: 4px;
  text-align: center;
  font: 27px / 60px 'DIGITAL', Helvetica;
}