body {
  display: flex;
  font-family: sans-serif;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  background: url("https://images.unsplash.com/photo-1422493757035-1e5e03968f95?ixlib=rb-4.0.3&ixid=MnwxMjA3fDB8MHxzZWFyY2h8ODJ8fG5hdHVyZXxlbnwwfHwwfHw%3D&auto=format&fit=crop&w=500&q=60");
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  overflow: hidden;
}
h2 {
  color: white;
  letter-spacing: 4px;
  font-size: 14px;
  text-align: center;
}
#digital_clock {
  display: flex;
}
#digital_clock div {
  margin: 10px;
  position: relative;
}
#digital_clock span {
  width: 100px;
  height: 80px;
  background-color: blueviolet;
  justify-content: center;
  align-items: center;
  display: flex;
  opacity: 0.8;
  color: white;
  font-size: 50px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}
#digital_clock .text {
  font-size: 10px;
  height: 30px;
  text-transform: uppercase;
  letter-spacing: 2px;
  background-color: darkblue;
  opacity: 0.8;
}
#digital_clock #ampm {
  width: 50px !important;
  height: 30px !important;
  font-size: 10px;
  position: absolute;
  bottom: 0;
  background-color: purple;
  font-weight: bold;
}